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Nevin Manimala Statistics

Discipline Is Not Neutral: Racial Disparities in Resident Physician Disciplinary Action

Health Equity. 2026 Jun 8;10:24731242261455433. doi: 10.1177/24731242261455433. eCollection 2026 Jan-Dec.

ABSTRACT

INTRODUCTION: Disparities in medical education are documented across the training continuum, yet little is known about how racial and socioeconomic factors shape disciplinary actions during residency.

METHODS: We conducted a cross-sectional anonymous survey of resident physicians affiliated with the Committee of Interns and Residents. The survey captured demographic characteristics and experiences with negative feedback, remediation, and discipline. We used descriptive statistics and logistic regression.

RESULTS: We analyzed 1,755 validated responses (9.2% completion). Compared with White participants, Black participants had higher odds of being asked to meet with program leadership (unadjusted odds ratio [OR] = 1.93, 95% confidence interval [CI]: 1.32-2.82), and this association strengthened after adjustment for gender, specialty type, and early-life socioeconomic indicators (adjusted OR [AOR] = 2.24, 95% CI: 1.48-3.38). Black participants were nearly three times as likely to report ever being on remediation (OR = 2.93, 95% CI: 1.51-5.72), although adjusted models were limited by small event counts. When disciplinary outcomes were combined, Black participants were 55% more likely than White participants to experience any disciplinary action in unadjusted analyses (OR = 1.55, 95% CI: 1.10-2.19), and this association strengthened after adjustment (AOR = 1.76, 95% CI: 1.21-2.57). Hispanic and Asian participants did not demonstrate higher odds of disciplinary action compared with White participants.

CONCLUSION: Racial and socioeconomic inequities in residency discipline challenge assumptions that discipline reflects merit alone. Programs should implement transparent, uniform disciplinary processes and create supportive training environments for all trainees.

PMID:42534758 | PMC:PMC13421930 | DOI:10.1177/24731242261455433

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Nevin Manimala Statistics

Clinical Assessment of Gingival Sulcus Depth and Biological Width Among a Population of Young Moroccan Adults

Cureus. 2026 Jun 30;18(6):e111807. doi: 10.7759/cureus.111807. eCollection 2026 Jun.

ABSTRACT

Objective The gingival sulcus and biological width are key anatomical structures involved in maintaining periodontal health and guiding prosthodontic treatment planning. Although their clinical importance has been well established, data describing these parameters in Moroccan populations remain limited. This study aimed to evaluate the mean gingival sulcus depth and biological width among young Moroccan adults and to provide baseline descriptive data for future periodontal assessment and treatment planning. Methods A descriptive cross-sectional study was conducted involving 133 dental students (72 males and 61 females), aged 21 to 23 years, at the Dental Consultation and Treatment Center (CCTD) of Ibn Rochd University Hospital, affiliated with the Faculty of Dental Medicine of Casablanca (FMDC), Casablanca, Morocco. Each participant underwent standardized clinical and radiographic examinations of one anterior and one posterior tooth. Sulcus depth was measured using a calibrated periodontal probe, while biological width was assessed using periapical radiographs. A single calibrated examiner performed all measurements following a standardized protocol. Data were analyzed using IBM SPSS Statistics for Windows, Version 20.0 (IBM Corp., Armonk, NY, USA), and mean values were compared using Student’s t-test. Results The mean sulcus depth was 1.11 mm for anterior teeth and 2.17 mm for posterior teeth, with a statistically significant difference (p < 0.0001). The mean biological width was 2.05 mm, consistent with classical reference values reported in the literature. No statistically significant sex-related differences were observed for either parameter. Sulcus depth was significantly greater in posterior teeth than in anterior teeth (p < 0.0001), and biological width differed significantly between anterior and posterior sites (p = 0.003). Conclusions The findings are consistent with previously reported values in the literature and confirm the relative stability of biological width in healthy periodontal tissues. These findings provide descriptive anatomical data that may contribute to biologically informed prosthodontic treatment planning. Further studies incorporating additional periodontal parameters and more diverse populations are recommended to improve external validity.

PMID:42534746 | PMC:PMC13422043 | DOI:10.7759/cureus.111807

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The association between social support and quality of life in patients with severe stroke: a chain mediation analysis of resilience and self-efficacy

Front Psychiatry. 2026 Jul 16;17:1851981. doi: 10.3389/fpsyt.2026.1851981. eCollection 2026.

ABSTRACT

OBJECTIVE: To explore the chain mediating effects of resilience and self-efficacy on the association between social support and quality of life (QoL) among patients with severe stroke.

METHODS: This cross-sectional study enrolled 272 inpatients between June 2023 and June 2025. Validated instruments were used to assess social support (SSRS), resilience (CD-RISC), self-efficacy (GSES), and quality of life (QoL) (SS-QOL). PROCESS Model 6 with 5,000 bias-corrected bootstrap samples was used to test sequential mediation while adjusting for key covariates.

RESULTS: Mean scores indicated moderate levels of social support, resilience, self-efficacy, and QoL. Quality of life scores were significantly higher among patients aged <60 years compared to those aged ≥60 years (54.62 ± 14.07 vs. 49.34 ± 13.12), among patients with higher education levels (college or above: 54.73 ± 14.27 vs. primary school or below: 47.26 ± 11.38), among patients covered by Employee Health Insurance compared to self-funded patients (53.26 ± 13.42 vs. 42.36 ± 11.25), and among patients with lower NIHSS scores (10-14 points: 56.38 ± 13.45 vs. 15-24 points: 46.44 ± 12.41). All comparisons were statistically significant at P < 0.05. All main variables were positively correlated. The direct association between social support and QoL was significant (adjusted unstandardized β = 0.88, 95% CI [0.790, 0.975]), accounting for 53.5% of the total association. The three indirect associations were: (1) SSRS – CD-RISC – SS-QOL: β = 0.255, 95% CI [0.192, 0.329]; (2) SSRS – GSES – SS-QOL: β = 0.126, 95% CI [0.020, 0.208]; and (3) SSRS – CD-RISC – GSES – SS-QOL: β = 0.385, 95% CI [0.289, 0.510],supporting the hypothesized chain mediation model.

CONCLUSION: Social support was strongly associated with QoL, both directly and indirectly through resilience and self-efficacy and their sequential pathways. These findings highlight potential intervention targets, although causal inferences are limited by the study’s cross-sectional design. Strengthening social support and related psychological resources may improve rehabilitation outcomes in patients with severe strokes.

PMID:42534726 | PMC:PMC13421905 | DOI:10.3389/fpsyt.2026.1851981

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Perspectives Regarding Mind Maps and Their Impact as a Self-Directed Learning Tool Among First-Year Undergraduate Bachelor of Medicine, Bachelor of Surgery (MBBS) Students

Cureus. 2026 Jun 30;18(6):e111811. doi: 10.7759/cureus.111811. eCollection 2026 Jun.

ABSTRACT

BACKGROUND: Mind mapping is a visual, non-linear learning technique in which information is organized around a central concept with related topics and subtopics arranged as branches. It promotes active learning by helping students organize, understand, and recall information. In medical education, where students are required to learn large volumes of conceptual content, mind mapping may serve as a useful self-directed learning tool.

AIM: This study aimed to evaluate the effectiveness of mind mapping as a self-directed learning method among first-year Bachelor of Medicine, Bachelor of Surgery (MBBS) students and to assess students’ perceptions regarding its use in the context of physiology.

MATERIALS AND METHODS: This quasi-experimental, non-randomized controlled crossover study was conducted among 100 first-year MBBS students at All India Institute of Medical Sciences (AIIMS) Jammu in Jammu, India. Students were divided into two routine practical batches of 50 each. In Phase 1, Batch A served as the mind mapping group and Batch B as the traditional learning group for the topic “Acid-Base Disorders”. All students were first trained in mind map preparation using a topic unrelated to the study intervention. Students in the mind mapping group studied the assigned topic by preparing mind maps, while students in the traditional learning group used their usual study methods. Immediate and delayed post-tests were conducted, with the delayed test performed one month after the intervention. In Phase 2, crossover was performed using the topic “Physiology of EEG and Clinical Relevance”, and the same process was repeated. At the end of the study, students’ perceptions were assessed using a structured five-point Likert scale questionnaire. Data were analyzed using IBM SPSS Statistics for Windows, Version 15.0 (SPSS Inc., Chicago, Illinois, United States), and a p-value of ≤0.05 was considered statistically significant.

RESULTS: Immediate assessment scores did not differ significantly between the mind mapping and traditional learning groups in either phase or in the combined analysis. In the delayed assessment for Phase 2, the mind mapping group scored significantly higher than the traditional learning group. The combined delayed assessment analysis also showed significantly higher scores in the mind mapping group compared with the traditional learning group, with 100 observations in each group (6.97±1.97 vs. 6.30±2.28; p=0.029; Cohen’s d=0.313). Student perception was favorable, with most students reporting that mind mapping improved understanding, organization of concepts, engagement, confidence, active participation, and independent learning. These findings suggest that mind mapping was well accepted by students as a self-directed learning strategy and may contribute positively to independent learning, engagement, and the overall learning experience in undergraduate medical education.

CONCLUSION: Mind mapping did not significantly improve immediate assessment performance compared with traditional learning; however, it was associated with better delayed assessment scores, suggesting a potential benefit in long-term retention. Students perceived mind mapping as an engaging and useful self-directed learning tool. Mind mapping may be incorporated as an adjunct to traditional teaching-learning methods in undergraduate medical education.

PMID:42534708 | PMC:PMC13422079 | DOI:10.7759/cureus.111811

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Prevalence of neurocognitive dysfunction and associated risk factors among follow-up diabetic type 2 patients in diabetes center of Al-Thawra hospital, Sana’a, Yemen

Front Endocrinol (Lausanne). 2026 Jul 16;17:1873295. doi: 10.3389/fendo.2026.1873295. eCollection 2026.

ABSTRACT

BACKGROUND: Diabetes mellitus type 2 is a chronic metabolic disorder which characterized by increased blood glucose that affects different body systems. Increasing blood glucose to high levels cause sorbitol induced blood vessel damage, brain malfunction and degeneration of the nerves that can lead to cognitive dysfunction or dementia. For the best of our knowledge, this is the first study in Yemen, which demonstrate the association between neurocognitive dysfunction and diabetes. This study aimed to determine the prevalence of neurocognitive dysfunction among Yemeni diabetic type2 patients and investigate the relations between these dysfunction, diabetic risk factors, and sociodemographic characteristics.

METHODS: The present cross-sectional study was carried out in Diabetes center of Al-Thawra public hospital from November 2024 to January 2025 and the sample size was 400 T2DM patients (aged 35 to 65 years) which calculated by Steven Thompson Equation. Statistical analysis was performed by SPSS program and Mini-Mental State Examination (MMSE) was used for screening neurocognitive dysfunctions (NCDs) as a score varying from zero to 30, and impairment is indicated by a score of 23 or lower.

RESULTS: the result showed that, higher prevalence of (NCDs) 43% among T2DM patients (219 (54.75%) male and 181(45.25%) female). Neurocognitive dysfunction was significantly increased in elderly, low-educated, non-employed and long duration diabetes patients with P– value (0.001, 0.001, 0.001, 0.001) respectively. While it was significantly decreased in patients with low BMI and those make regular exercise with (P– value = 0.002 and 0.002) respectively.

CONCLUSION: the study showed a relatively high prevalence of neurocognitive dysfunction among patients with T2DM. In addition to that, neurocognitive dysfunction was more common among older patients, higher BMI, lower education, unemployment, diabetes duration and complications.

PMID:42534703 | PMC:PMC13421405 | DOI:10.3389/fendo.2026.1873295

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Nevin Manimala Statistics

Knowledge and Attitudes of Healthcare Workers Toward the Re-Emergence of Human Monkeypox Virus Infection in Public Health Facilities in the Central Ethiopia Region: An Online Cross-Sectional Study

Health Sci Rep. 2026 Jul 30;9(8):e72854. doi: 10.1002/hsr2.72854. eCollection 2026 Aug.

ABSTRACT

BACKGROUND AND AIMS: Human monkeypox (mpox) is a re-emerging zoonotic viral disease in Africa. Despite recent reports in Ethiopia, no studies have assessed healthcare workers’ (HCWs) knowledge and attitudes in the Central Ethiopia Region. This study aimed to determine HCWs knowledge and attitudes toward the re-emergence of mpox in public health facilities.

METHODS: From June 16 to 28, 2025, 419 HCWs were chosen at random for an online cross-sectional study. The data were gathered using a self-administered questionnaire distributed through Google Forms. We used SPSS version 26 for the statistical analysis. Multivariable logistic regression was used to identify factors associated with knowledge and attitudes. Adjusted odds ratios (AORs) with 95% confidence intervals (CIs) were used to determine statistical significance.

RESULTS: Of the 419 participants, 46.8% (95% CI: 42.0-51.7) had good knowledge, while 43.4% (95% CI: 39.1-48.0) showed positive attitudes. Good knowledge were significantly positively associated with a master’s degree or higher (AOR = 3.46; 95% CI: 1.60-7.47), health officer (AOR = 7.00; 95% CI: 3.20-15.32) and pharmacist (AOR = 2.68; 95% CI: 1.17-6.13), low (AOR = 5.15; 95% CI: 2.02-13.10) and medium monthly income (AOR = 2.35; 95% CI: 1.32-4.20), and positive attitude (AOR = 2.11; 95% CI: 1.25-3.59), in contrast significantly negatively associated with work experience (5-10 years) (AOR = 0.13; 95% CI: 0.07-0.24). Positive attitudes were significantly positively associated with medical doctor (AOR = 4.78; 95% CI: 2.39-9.55), and information about mpox during medical education (AOR = 3.29; 95% CI: 1.91-5.67), in contrast significantly negatively associated with female sex (AOR = 0.18; 95% CI: 0.08-0.41), age ≥ 32 years (AOR = 0.45; 95% CI: 0.28-0.73), and lack of current information access (AOR = 0.47; 95% CI: 0.26-0.88).

CONCLUSION: HCWs had low levels of knowledge and positive attitudes toward mpox. To get better at being ready for and responding to mpox in Ethiopia, it is important to strengthen continuing professional education, target training, and raise awareness.

PMID:42534696 | PMC:PMC13421795 | DOI:10.1002/hsr2.72854

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Nevin Manimala Statistics

Infra-slow EEG neurofeedback for insomnia: a single-case experimental study in primary care

Front Hum Neurosci. 2026 Jul 16;20:1832178. doi: 10.3389/fnhum.2026.1832178. eCollection 2026.

ABSTRACT

BACKGROUND: Insomnia is a prevalent and burdensome condition in primary care, associated with impaired functioning, increased health risks, and suffering. Infra-slow neurofeedback (ISF-NF) has been proposed as an intervention for stress-related sleep dysregulation, yet empirical evidence from primary care remains scarce.

OBJECTIVE: To examine the feasibility, acceptability, and preliminary effects of ISF-NF for insomnia in primary care using a single-case experimental design.

METHODS: A single-case experimental design with repeated measures was applied. Ten patients with insomnia and related comorbidities (e.g., stress-related exhaustion, migraine, anxiety) were enrolled. Nine completed the intervention, and eight had sufficient data for analysis following a 2-week baseline and 12 weekly ISF-NF sessions with individualized adjustment of the temporal integration (frequency) parameter. Subjective sleep quality was assessed daily using the Brief Self-Reported Sleep Quality Assessment (BSRSQA). Standardized questionnaires including the Pittsburgh Sleep Quality Index (PSQI), Patient Health Questionnaire-9 (PHQ-9), and Generalized Anxiety Disorder-7 (GAD-7) were collected at baseline, post-intervention, and 3-month follow-up. Treatment effects were evaluated using visual analysis and non-parametric Tau-U statistics. Wearable sleep data (Fitbit Inspire 3) were analyzed descriptively to contextualize subjective outcomes.

RESULTS: Visual single-case analyses revealed heterogeneous but interpretable trajectories, with several participants showing improved perceived sleep quality. Five of eight participants demonstrated statistically significant Tau-U effects (p < 0.05). Group-level analyses showed reductions in sleep problems (PSQI) and depressive symptoms (PHQ-9) from pre to post-intervention, with partial return toward baseline at three-month follow-up. Wearable sleep metrics indicated variability and limited convergence with total sleep time but suggested improvements in sleep consolidation and timing in some cases. Feasibility and acceptability were supported by high treatment adherence, therapeutic alliance, and few reported adverse effects.

CONCLUSION: These findings suggest that ISF-NF may be a feasible and well-tolerated intervention in a primary care context, with preliminary indications of benefit in a subset of individuals. Effects were heterogeneous and should be interpreted cautiously. Individualized parameter adjustment and visual single-case analysis may provide a useful framework for capturing treatment dynamics in adaptive interventions. Wearable sleep data may offer contextual information but should be interpreted alongside subjective outcomes. Controlled studies are needed to evaluate efficacy and underlying mechanisms.

PMID:42534695 | PMC:PMC13422157 | DOI:10.3389/fnhum.2026.1832178

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In Vitro Antigiardial Activity of Selected Plants From the Indonesian Rain Forest Identified Based on Behavioral Observations of Sumatran Orangutans

J Trop Med. 2026 Jul 30;2026:6520515. doi: 10.1155/jotm/6520515. eCollection 2026.

ABSTRACT

BACKGROUND AND AIMS: This study evaluated in vitro antigiardial activity in 16 Indonesian plants extracted in methanol, methanol-tetrahydrofuran (1:1), and water. These plants exhibiting promising antiparasitic activity were selected on the basis of collected behavioral data and the ability of these plants to decrease parasite load in Sumatran orangutans.

METHODS: Plant extracts of different concentrations (0.15625-10 mg/mL) and metronidazole (100 μg/mL), a standard antigiardial drug, were incubated with 105 trophozoites per milliliter of growth medium in 96-well tissue culture plates under anaerobic conditions for 24 h. Cultures were counted in a hemocytometer using a light microscope and then statistically evaluated.

RESULTS: All tested plants were found to be effective to some extent against Giardia intestinalis trophozoites, with eight of them having never been previously tested for any biological activity nor probably used in ethnomedicine (as far as we know).

CONCLUSION: Our results show that these extracts have potential as an alternative treatment of enteric diseases caused by G. intestinalis and confirm the assumption that orangutans use these plants for self-medication.

PMID:42534676 | PMC:PMC13421921 | DOI:10.1155/jotm/6520515

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Perioperative transfer of patients with potential spinal injury: A survey-based pre- and post-intervention study of a targeted training program

Qatar Med J. 2026 Jun 10;2026(2):30. doi: 10.5339/qmj.2026.30. eCollection 2026.

ABSTRACT

BACKGROUND: Safe perioperative transfer of patients with potential spinal cord injury (SCI) is essential to prevent secondary neurological damage. Targeted training of operating room nurses (ORNs) is critical for ensuring adherence to best-practice transfer techniques.

OBJECTIVES: To determine the effect of a scenario-based training intervention on knowledge and self-reported practices of ORNs regarding safe perioperative transfer of patients with potential SCI.

METHODS: This survey-based pre- and post-intervention study was conducted at Hamad General Hospital, Doha, Qatar, between January and March 2024. A structured self-administered questionnaire was administered to ORNs before and after a targeted training intervention. Variables included preferred transfer device, number of staff required, leadership during transfer, hand positioning, and command sequence. Descriptive statistics and McNemar’s test were used for analysis.

RESULTS: A total of 138 ORNs participated (mean age, 37.6 ± 6.2 years; 68% female). Use of plastic boards increased from 88% (n = 122) to 93% (n = 128) post-intervention (P < 0.05). Compliance with the recommended four-person log-roll team improved from 67% (n = 92) to 79% (n = 109). Reliance on anesthetists for transfer leadership increased from 41% to 58%, while inappropriate reliance on other staff decreased from 33% to 28%.

CONCLUSION: A targeted scenario-based training intervention significantly improved ORNs’ knowledge and self-reported adherence to safe perioperative transfer practices for patients with potential SCI.

PMID:42534675 | PMC:PMC13421393 | DOI:10.5339/qmj.2026.30

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Neural speech encoding in fetal alcohol spectrum disorder: an exploratory study using frequency-following responses

Front Neurosci. 2026 Jul 16;20:1871045. doi: 10.3389/fnins.2026.1871045. eCollection 2026.

ABSTRACT

BACKGROUND: Fetal alcohol spectrum disorder (FASD) is associated with neurodevelopmental impairments, including listening difficulties not always explained by peripheral hearing loss, suggesting alterations at the level of neural auditory processing. The frequency-following response (FFR) provides an objective measure of neural speech encoding and may offer insight into auditory function in this population.

METHODS: Twenty-five normal-hearing participants were included: 11 individuals with FASD and 14 controls. Speech-evoked FFRs were recorded using a 160 ms /da/ stimulus at 80 dB SPL with a stimulation rate of 4.35/s. Pitch tracking, stimulus-response correlation, response latency, and signal quality were analyzed using non-parametric statistics. Given the exploratory nature of the study and uncontrolled demographic variables – including a significant age difference between groups – findings should be interpreted as preliminary and hypothesis-generating.

RESULTS: Compared to controls, individuals with FASD showed reduced pitch-tracking consistency and lower stimulus-response correlation, with the most robust finding being a large-effect reduction in F0-range correlation (R[70-120 Hz]: p < 0.001, rank-biserial r = 0.823). Prolonged latencies were observed across multiple response components, and signal-to-noise ratio tended to be lower in the FASD group.

CONCLUSION: This exploratory proof-of-concept study provides preliminary evidence of altered neural speech encoding in individuals with FASD despite normal peripheral hearing. Given uncontrolled confounds, observed differences cannot be specifically attributed to FASD. These findings establish the feasibility of FFR in this population and provide the empirical foundation for future controlled research on auditory biomarkers and intervention monitoring in FASD.

PMID:42534674 | PMC:PMC13422169 | DOI:10.3389/fnins.2026.1871045