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Nevin Manimala Statistics

Development and validation of checklists for standardized patients in dental education for special care health needs patients

BMC Med Educ. 2025 Dec 19;25(1):1702. doi: 10.1186/s12909-025-08253-w.

ABSTRACT

BACKGROUND: Traditionally, checklists or evaluation templates have been utilized to assess psychological and health-related issues in fields like psychology and pediatrics. Currently, their use has expanded, particularly in medical research and healthcare evaluation. This study aims to develop and validate checklists for standardized patient use in the subject ” Special Care Health Needs patients” within the Dentistry Degree program, ensuring international applicability whenever clinical simulation is employed.

MATERIAL AND METHOD: Six different scenarios were developed for student evaluation. Along with each scenario, a script was also created for the simulated participant or the instructor voicing the simulator. An evaluation template was designed for each clinical scenario. Once the scenarios and checklists were designed, 11 experts in the field of Special Care Health Needs Patients from six different universities were provided with a file for each simulation scenario, which they had to complete. The data collected from the validation of the evaluation templates by the expert panel were sent to the Statistical Support Section (SAE) of the University of Murcia. Data analysis was performed using R version 4.0.3.

RESULTS: The level of agreement among experts regarding the importance and scoring of items in six clinical evaluation templates was analyzed. Most results were statistically significant (p < 0.05), except for the physical examination dimension in several templates, likely due to the low number of items. Overall, high concordance was observed across competency dimensions, particularly in communication.

CONCLUSIONS: The positive statistical outcomes observed in our implementation of these checklists highlight their potential not only to assess students’ clinical behavior with consistency but also to inform and refine educational strategies. The adoption of a standardized, rigorous approach to checklist development-such as the one applied in this study-may contribute significantly to the advancement of performance evaluation in healthcare education, promoting both learner competency and patient-centered care.

PMID:41420174 | DOI:10.1186/s12909-025-08253-w

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Where do breast cancer patients after curative-intent surgery stand in their Health-related Quality of Life (Hr-QoL) outcomes compared with health institution-based normal clients? A comparative cross-sectional study

BMC Womens Health. 2025 Dec 20. doi: 10.1186/s12905-025-04233-w. Online ahead of print.

ABSTRACT

BACKGROUND: Breast cancer reduces quality of life. Hr-QoL after all types of surgeries in general and after elective breast surgeries like mastectomy in particular is, however an under-researched area worldwide. This gap is conspicuously felt and seen especially in developing countries like Ethiopia. The main objective of this study was to assess the Hr-QoL outcomes of breast cancer cases after curative-intent surgery in comparison with health institution-based normal individuals.

METHODS AND PATIENTS: A comparative cross-sectional study using SF-36 was conducted to compare Hr-QoL outcomes of representatively sampled 366 post-mastectomy women and health institution-based women as controls. The collected data were analyzed using SPSS windows version 21. The mean ranks of the Hr-QoL outcomes on a 0 to 100 scale were compared between the two groups using Mann-Whitney U test at p-value ≤ 0.05 (two-sided).

RESULTS: Three hundred sixty-six participants (366), 183 cases and 183 controls were included in the analysis. Post-mastectomy cases had a median Physical Functioning (PF) of 70.0; Role-Physical (RP) of 75.0; Bodily Pain (BP) of 44.0; General Health (GH) of 35.0; Vitality (VT) of 40.0; Social Functioning (SF) of 50.0; Role-Emotional (RE) of 33.3; and Mental Health (MH) of 44.0. The respective values for the control group were: 75.0; 75.0; 54.0; 50.0; 55.0; 62.5; 66.7; and 64.0. PF and RP showed no statistically significant difference between the two groups. On the other hand, BP, GH, VT, SF, RE and MH were significantly lower in the post-mastectomy group.

CONCLUSION: Quality of life of breast cancer patients after a curative-intent mastectomy was found to be lower. They had significantly lower scores in scales measuring mental health and those measuring both physical and mental health. Of the three scales assessing physical health, bodily pain was significantly lower.

PMID:41420168 | DOI:10.1186/s12905-025-04233-w

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Health literacy of the higher education community in a European country: a cross-sectional survey

BMC Public Health. 2025 Dec 20. doi: 10.1186/s12889-025-25935-8. Online ahead of print.

ABSTRACT

BACKGROUND: Health literacy is a dynamic and multidimensional concept. Examining health literacy among higher education students and teachers is crucial for promoting informed health decisions and encouraging healthier behaviors. Our study aimed to measure health literacy among higher education students and teachers, assess the impact of sociodemographic variables, and compare health literacy levels between these groups.

METHODS: This study is a Portuguese Academic Health Literacy Network (RALS) project. Data were collected via a questionnaire, including the HLS-EU-Q16 and sociodemographic and health information-seeking behavior items. The statistical analyses involved descriptive statistics and binary logistic regression. The executive boards of the participating universities and polytechnic institutes were initially informed about the objectives of the study and the prior approval obtained from an ethics committee. We then requested that the institutions use their official email databases to distribute invitations to students and teachers to complete the online questionnaire.

RESULTS: The sample consisted of 5,798 students and 1,823 teachers. The majority were women, with students predominantly aged 20-30 years and teachers mostly over 40 years. Compared with students, teachers presented higher health literacy levels (p < 0.001). Specifically, 45.0% of the students and 31.5% of the teachers had inadequate or problematic health literacy. Graduate students and PhD-holding teachers had superior literacy scores (p < 0.001). Economic sufficiency (highest OR: students 2.708; teachers 3.310) and self-health perception positively influenced health literacy (highest OR: students 1.974; teachers 2.284), whereas nonhealthy fields decreased the likelihood of positive health literacy (lowest OR: students 0.583; teachers 0.456). For students, age and educational level were significant factors for positive literacy levels, whereas for teachers, professional background in health was key. Sex and chronic disease presence were not significant for either group.

CONCLUSIONS: The study highlights a meaningful portion of students with inadequate health literacy (45%). Socioeconomic factors, including education and economic resources, significantly influence health literacy. Additionally, involvement in health-related fields and better self-assessed health correlate with higher health literacy. These findings underscore the need for targeted interventions and training to enhance health literacy across the academic community.

PMID:41420167 | DOI:10.1186/s12889-025-25935-8

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Cost and cost-effectiveness of attractive targeted sugar baits (ATSB) in the context of a phase III cluster randomized control trial in Western Province, Zambia

Malar J. 2025 Dec 19. doi: 10.1186/s12936-025-05716-9. Online ahead of print.

ABSTRACT

BACKGROUND: Vector control is the most important malaria prevention strategy in Zambia. Attractive Targeted Sugar Baits (ATSB) are a potential new tool for vector control in this setting, which, if efficacious, would be intended to supplement insecticide-treated bed nets (ITNs) and indoor residual spraying (IRS). ATSBs target and kill sugar feeding mosquitoes, potentially limiting the spread of malaria. No information on the cost or cost-effectiveness of deployment of ATSB stations is currently available.

METHODS: A cluster randomized control trial (cRCT) was carried out in Western Province, Zambia to assess the efficacy of Sarabi v.1.2 ATSB stations in a highly malarious setting. Costs associated with the procurement, distribution, maintenance, and disposal of the ATSB stations were collected over a two-year period. These costs were assessed alongside the main trial efficacy outcomes to determine cost-effectiveness and potential budget impact on the deployment of ATSB stations in this setting. Total costs, incremental costs, incremental cost-effectiveness ratios (ICER) and budget impact were estimated using trial data. One-way, scenario and probabilistic sensitivity analysis were performed to further determine the impact of assumptions and uncertainty on cost-effectiveness estimates, and the potential cost implications of alternative deployment scenarios. Sub-group analysis was performed to determine the impact of deployment in settings with the most favorable effect scenarios.

RESULTS: The total cost of the intervention in the context of the cRCT was USD 1,261,515. ATSB cost accounted for 46% of the total cost followed by personnel (25%), supplies and transport (13% each), equipment (2%) and storage (1%). Over the two year (14-month intervention) this resulted in an estimated ICER of USD 79 per malaria incident case averted or USD 919 per disability-adjusted life year (DALY) averted and USD 10.08 per person-year protected. In a subset of high-density ATSB clusters ICER was USD 42 per incident case averted and USD 493 per DALY averted and USD 4.35 per person-year protected. Probabilistic sensitivity analysis indicated that deployment in areas with higher structure density may be more cost-effective, especially if potential cost-savings are considered. However, effect estimates in this subgroup were highly uncertain and not statistically significant. While the scenario appeared more cost-effective than the base case on the cost-effectiveness acceptability curve (CEAC), the probability of cost-effectiveness reached only around 70%, falling short of the commonly used 80% threshold and remaining relatively weak.

CONCLUSIONS: ATSB Sarabi v.1.2 as deployed in western Zambia were not likely to be cost -effective. ATSB would need to demonstrate higher or more certain efficacy along with affordable alternative distribution strategies prior to any deployment at scale. Trial registration The trial is registered on clinicaltrials.gov under registration number: NCT04800055.

PMID:41420162 | DOI:10.1186/s12936-025-05716-9

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Independent Learning Module Shows Effectiveness in Improving Preclinical Medical Student Knowledge, Comfort, and Attitudes in Screening and Diagnosis of Eating Disorders

Acad Psychiatry. 2025 Dec 19. doi: 10.1007/s40596-025-02297-2. Online ahead of print.

ABSTRACT

OBJECTIVE: The aim of this study was to develop and assess the effectiveness of an online independent learning module for educating preclinical medical students about eating disorders.

METHODS: The curriculum was designed using Kern’s six-step framework. The 60-min eating disorders module incorporated case-based learning, narrative medicine, and real-time feedback to enhance engagement and critical thinking. Surveys were used to assess medical student attitudes, knowledge, and comfort with eating disorder diagnosis and treatment at pre-training and post-training. Paired t-tests and descriptive statistics were used for analysis.

RESULTS: Among 130 preclinical medical students, significant improvements were observed from pre to post-training in diagnostic knowledge (p < 0.05). Students also reported significantly improved comfort with eating disorder screening and differential diagnosis (p < 0.001), as well as significantly improved attitudes about the importance of medical and psychological support for people with eating disorders (p = .008).

CONCLUSIONS: Findings provide preliminary evidence of the effectiveness of a brief self-paced independent learning module in improving medical students’ knowledge, comfort, and attitudes in the initial identification and management of eating disorders. Future research can build on these initial findings to examine longer-term knowledge sustainment and additional interventions that may influence the application of knowledge or skills in real-world practice.

PMID:41420141 | DOI:10.1007/s40596-025-02297-2

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Therapeutic management of dexamethasone in patients undergoing endodontics: a randomized clinical trial

Odontology. 2025 Dec 19. doi: 10.1007/s10266-025-01277-0. Online ahead of print.

ABSTRACT

Optimal postoperative analgesia remains pivotal in endodontic success, particularly under acute inflammatory conditions. Although glucocorticoids such as dexamethasone exhibit potent anti-inflammatory efficacy, their prophylactic application in endodontics has not been extensively validated. This study assessed whether preoperative dexamethasone offers superior analgesia to postoperative ibuprofen in endodontic pain control. A randomized, controlled Phase IV clinical trial was undertaken at the Faculty of Dentistry, University of Salamanca, involving 82 ASA I patients undergoing single-visit root canal treatment. Subjects were equally randomized into two arms: the experimental group received 4 mg oral dexamethasone one hour preoperatively, while the control group was administered 400 mg ibuprofen at four-hour intervals post-treatment. Postoperative pain was evaluated using the Visual Analog Scale (VAS) at 4, 6, 8, 12, and 24 h. Intergroup differences were analyzed using the Mann-Whitney U test. The dexamethasone cohort demonstrated statistically significant reductions in VAS scores between 6- and 24-h post-intervention (p < 0.001), with no adverse events or need for rescue analgesia observed. Gender-based variation in pain perception was not significant. A single 4 mg preoperative oral dose of dexamethasone markedly enhances early postoperative analgesia in root canal treatment relative to standard ibuprofen regimens. These results support its integration into preemptive root canal protocols, contingent upon further multicenter validation. Approved by the Bioethics Committee (Ref. 2025_01/345; March 10, 2025). Clinical trial registration: NCT069063150 (April 1, 2025).The study adhered to the ethical standards of the 1964 Declaration of Helsinki and its later amendments.

PMID:41420134 | DOI:10.1007/s10266-025-01277-0

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Does predictability modulate the sentence superiority effect? Perhaps – but not as one might predict!

Psychon Bull Rev. 2025 Dec 19;33(1):20. doi: 10.3758/s13423-025-02818-y.

ABSTRACT

Written words presented within a sequence of words are identified more accurately when this sequence forms a correct sentence or phrase compared with an ungrammatical re-ordering of the same words. Here we examined if this sentence superiority effect (SSE) is modulated by the predictability of the target word given the sentence context. Target words were at positions 2 and 5 in five-word sequences, and either had high or low cloze probabilities (measured by an independent cloze test and further checked using the word-in-context probabilities obtained with a Large Language Model (LLM)). Given that predictability only made sense when considering grammatically correct sequences, we performed two separate analyses. We found: (1) an effect of grammaticality (i.e., we replicated the SSE), (2) a small effect of predictability on responses to grammatically correct sequences, and (3) no interaction between predictability and grammaticality. The impact of predictability on the SSE was then evaluated by comparing the magnitude of the SSE obtained with more predictable words versus less predictable words, with the SSE in each of these conditions being measured using identification accuracy for the same word at the same position in grammatical and ungrammatical sequences. Results revealed no significant modulation of the SSE by word predictability. We conclude that syntactic and semantic constraints, and not predictability per se (as measured by a cloze test or LLM statistics), contribute to the sentence superiority effect. Crucially, this provides evidence against guessing accounts of the SSE according to which predictability should play a key role.

PMID:41420133 | DOI:10.3758/s13423-025-02818-y

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Vacuum-assisted venous drainage versus gravitational venous drainage in patients undergoing cardiac surgery: A meta-analysis

Perfusion. 2025 Dec 19:2676591251409379. doi: 10.1177/02676591251409379. Online ahead of print.

ABSTRACT

IntroductionVacuum-assisted venous drainage (VAVD) has been proposed as a better alternative option than conventional gravitational venous drainage (GVD) in cardiac surgery. However, the literature reports conflicting results between both methods in terms of post-cardiac surgery complications. Therefore, we aimed to perform a meta-analysis to compare clinical outcomes between VAVD and GVD in patients undergoing cardiac surgery.MethodsPubMed, Scopus, and Web of Science databases were searched for any randomized control trials or cohort studies that compared clinical outcomes between VAVD and GVD in patients undergoing cardiac surgery.ResultsSixteen studies with 8426 patients were included in our study. The pooled effect estimate of the postoperative results showed a statistically significant association between VAVD and decreased blood loss/chest tube drainage (MD = -88.7, 95% CI = -154.71 to -22.69, p-value = 0.008), amount of packed red blood cells (pRBC) transfusion (MD = -0.25, 95% CI = -0.27 to -0.22, p < 0.00,001), re-exploration (RR = 0.6, 95% CI = 0.35 to 1, p = 0.05), and re-operation (RR = 0.47, 95% CI = 0.23 to 0.99, p-value = 0.05). However, our study revealed no significant difference between both groups in terms of postoperative mortality, hospital/ICU stay, other blood product transfusions, change of free hemoglobin at 24 h, and other clinical outcomes.ConclusionOur study revealed that VAVD is at least equivalent and may provide some benefits compared to GVD in patients undergoing cardiac surgery. While, VAVD requires specific expertise and training in order to optimize its outcomes, its ability to reduce blood loss and blood transfusion, support its use as a valuable alternative for GVD in high-risk groups.

PMID:41420131 | DOI:10.1177/02676591251409379

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Novel Prescription Delivery Program Impact on Hemoglobin A1c in Diabetes Mellitus

J Pharm Pract. 2025 Dec 19:8971900251408306. doi: 10.1177/08971900251408306. Online ahead of print.

ABSTRACT

Background: While traditional mail-order pharmacies have overcome some barriers to adherence, there is minimal evidence to indicate whether a novel prescription delivery program (PDP) can impact clinical endpoints in common disease states. The use of integrated pharmacy technicians, a local courier service, and hospital-owned pharmacies contributes to a comprehensive continuum of care. This study’s purpose was to assess the impact of a novel PDP on glycemic control in patients with diabetes mellitus (DM). Objectives: The primary objective of this study was to identify the change in glycated hemoglobin level (HbA1c) of DM patients at enrollment in the PDP to approximately one-year post-enrollment. Secondary objectives were to describe the percentage of patients achieving therapeutic goals, characterize enrolled population, and identify medication classes utilized in the PDP. Methods: This was a retrospective quasi-experimental study to evaluate whether implementation of an internally owned and operated PDP would improve HbA1c control for DM patients throughout primary care and specialty networks. Results: A total of 1223 patients were screened for inclusion. A convenience sample of 100 patients were evaluated. The outcome of change in HbA1c of patients with diabetes improved significantly from baseline at enrollment in a PDP to one-year post-enrollment (pre-PDP 8.2% vs post-PDP 7.4%, P < 0.001). Of the patients included in the study, 30% achieved goal HbA1c pre-enrollment in PDP. One-year post-PDP the percentage of patients who achieved goal HbA1c increased to 48% (P = 0.002), which was statistically significant. Conclusion: Among the studied population, enrollment in the PDP was associated with a significant reduction in HbA1c.

PMID:41420128 | DOI:10.1177/08971900251408306

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Systematic review and meta-analysis of regulator-approved deep learning systems for fundus diabetic retinopathy detections

NPJ Digit Med. 2025 Dec 19. doi: 10.1038/s41746-025-02223-8. Online ahead of print.

ABSTRACT

To clarify the real-world performance of regulator-approved deep-learning (DL) systems for autonomous diabetic retinopathy (DR) screening, we systematically searched PubMed, Embase, and ClinicalTrials.gov to 3 April 2025, identifying 82 studies (887,244 examinations) covering 25 devices in 28 countries. Hierarchical bivariate meta-analysis yielded pooled sensitivity/specificity of 0.93/0.90 on a per-patient basis and 0.92/0.93 per eye, closely paralleling expert grading. Meta-regression showed that DR severity threshold, national-income level, image gradability, pupil dilation, reference standard, and diagnostic criteria collectively explained most between-study heterogeneity; any-DR screening, low-income settings, or ungradable images increased false-positive rates, whereas dilated pupils, portable cameras, and adjudicated references improved specificity. Publication bias was minimal. Overall, regulator-approved DL algorithms provide accurate, scalable DR detection, but programs must tailor deployment and reimbursement to disease threshold, image quality, and local resources, and post-market audits with standardized gradability metrics are needed to ensure safe, equitable global adoption.

PMID:41420101 | DOI:10.1038/s41746-025-02223-8