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Nevin Manimala Statistics

Health Care Practitioner Bias and Access to Inpatient Rehabilitation Services Among Survivors of Violence

JAMA Netw Open. 2025 Apr 1;8(4):e254074. doi: 10.1001/jamanetworkopen.2025.4074.

ABSTRACT

IMPORTANCE: Posthospital inpatient rehabilitation is essential for many patients with traumatic injuries. However, rehabilitation centers lack transparency and oversight in their admission practices and may be influenced by health care practitioner (HCP) use of stigmatizing language in patient medical records, leading to inequities in access to care.

OBJECTIVES: To examine differences in admission to inpatient rehabilitation centers for patients hospitalized for violent penetrating (VP) injuries compared with motor vehicle crash (MVC) injuries.

DESIGN, SETTING, AND PARTICIPANTS: This mixed-methods retrospective qualitative study used data obtained from hospital records from 2015 to 2021. Data analysis occurred between July and December 2023. The study was performed at Boston Medical Center, an urban level I trauma center. The cohort included all patients hospitalized for VP or MVC injuries who were discharged to an inpatient rehabilitation center between 2015 and 2021.

EXPOSURES: Injury type, categorized as VP or MVC.

MAIN OUTCOMES AND MEASURES: The primary quantitative outcome was a denial for admission to an inpatient rehabilitation center. Qualitative content analysis identified similarities and differences across injury types in the manifestations of predetermined stigmatizing language categories in patients’ medical records.

RESULTS: Of 323 patients discharged to an inpatient rehabilitation center (median [IQR] age, 38 [25-59] years; 208 men [64.4%]; 29 Hispanic patients [9.0%], 118 non-Hispanic Black patients [36.5%], and 152 non-Hispanic White patients [47.1%]), 107 patients (33.1%) experienced at least 1 denial by a center before being placed (32 of 55 patients with VP injuries [58.2%] vs 75 of 268 patients with MVC injuries [28.0%]). Compared with patients with MVC injuries, patients with VP injuries had greater than 3 times the odds of experiencing a denial (odds ratio, 3.51; 95% CI, 1.93-6.48; P < .001). Medical records of patients with VP injuries had increased use of stigmatizing language that indicated culturally based or injury-related stereotyping, skepticism toward patient-reported symptoms, and heightened HCP-power dynamics contributing to unilateral decision-making.

CONCLUSIONS AND RELEVANCE: In this mixed-methods qualitative study of hospital patients discharged to rehabilitation centers, significant disparities in denials for admission were observed among survivors of violence, who were disproportionally Black or Hispanic. Stigmatizing language found in medical records suggested that bias within the referral process may have contributed to these disparities. These findings underscore the need for reformed clinical documentation practices and enhanced oversight of rehabilitation referral processes to promote equitable access to care.

PMID:40198068 | DOI:10.1001/jamanetworkopen.2025.4074

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Nevin Manimala Statistics

Winter Storm Uri, Mortality, and Health Care Use of Nursing Home Residents

JAMA Netw Open. 2025 Apr 1;8(4):e254111. doi: 10.1001/jamanetworkopen.2025.4111.

ABSTRACT

IMPORTANCE: Extreme weather events disproportionately affect vulnerable populations, particularly nursing home residents. In February 2021, Winter Storm Uri caused unprecedented power outages and water shortages across Texas. However, its impact on nursing home residents remains poorly understood.

OBJECTIVE: To assess the association of power outages and water shortages during Winter Storm Uri with mortality and health care utilization among long-stay nursing home residents in Texas.

DESIGN, SETTING, AND PARTICIPANTS: A retrospective cohort study of long-stay nursing home residents before and after Winter Storm Uri (February 14 to February 17, 2021) in Texas. Data analysis was conducted from March 2024 to January 2025.

EXPOSURE: Residing in a nursing home that experienced a power outage or water shortage during Winter Storm Uri.

MAIN OUTCOMES AND MEASURES: The outcome measures were weekly rates of mortality, clinician visits to nursing homes, emergency department (ED) visits, and hospitalizations among long-stay nursing home residents. Medicare claims were used to determine weekly mortality, clinician visits, ED visits, and hospitalizations 6 weeks before and 6 weeks after the storm. Differences-in-differences (DiD) analysis using 2-level logistic regression models estimated changes in outcomes associated with nursing home power or water loss.

RESULTS: Of 1174 nursing homes, 231 (19.7%) reported power or water outages. The sample included 45 439 long-stay residents, with 8521 in facilities with outages (mean [SD] age, 80.07 [12.21] years; 5664 female [66.47%]) and 36 918 in facilities without outages (mean [SD] age, 80.42 [11.92] years; 12 705 female [65.59%]). DiD analysis found that residents of nursing homes with outages had a 0.13% (95% CI, 0.03% to 0.23%) higher mortality rate in the 3 to 5 weeks after the storm than those without outages. There were no significant differences in clinician visits (DiD, -0.31%; 95% CI, -1.08% to 0.47%), ED visits (DiD, 0.11%; 95% CI, -0.12% to 0.34%), or hospitalizations (DiD, 0.07%; 95% CI, -0.10% to 0.23%).

CONCLUSIONS AND RELEVANCE: In this cohort study of nursing home residents in Texas, power and water outages during Winter Storm Uri were associated with increased mortality but not ED visits or hospitalizations, highlighting the vulnerability of nursing home residents during extreme weather events.

PMID:40198067 | DOI:10.1001/jamanetworkopen.2025.4111

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Influence of sulfur fumigation on the volatile composition of lily bulbs evaluated by HS-SPME/GC-MS and multivariate statistical analysis

J Sci Food Agric. 2025 Apr 8. doi: 10.1002/jsfa.14277. Online ahead of print.

ABSTRACT

BACKGROUND: Lily bulbs are used as food and herbal medicine in the Chinese market. These are often sulfur-fumigated during postharvest processing for bleaching and preservation. This study aimed to compare the volatile compounds in non-fumigation and sulfur-fumigation lily bulbs by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS) detection and multivariate statistical analysis.

RESULTS: The results showed that sulfur fumigation led to the chemical transformation of certain original components and significantly changed the chemical characteristics of lily bulbs. A total of 56 volatile compounds were identified in the 12 samples, including one non-fumigated and 11 sulfur-fumigated lily bulbs. Based on multivariate statistical analysis, 13 most characteristic chemical markers were selected to distinguish non-fumigated and sulfur-fumigated lily bulbs. Moreover, the transformation mechanism of the four sulfur compounds and several chemical markers was inferred, which showed that an addition reaction and rearrangement reaction most occurred in the process of sulfur fumigation.

CONCLUSION: This newly proposed approach can be applied to ensure consistent quality associated with sulfur fumigation for lily bulbs and other food products. © 2025 Society of Chemical Industry.

PMID:40196924 | DOI:10.1002/jsfa.14277

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A Randomized Controlled ‘REAL-FITNESS’ Trial to Evaluate Physical Activity in Patients With Newly Diagnosed Multiple Myeloma

J Cachexia Sarcopenia Muscle. 2025 Apr;16(2):e13793. doi: 10.1002/jcsm.13793.

ABSTRACT

BACKGROUND: Multiple myeloma (MM) is the second most common haematological malignancy. The predominantly older patients often suffer from comorbidities that impair their quality of life (QoL). Physical activity (PA) can be beneficial for cancer patients, but less evidence exists in MM. This randomized controlled trial (RCT) compared an exercise group with World Health Organization (WHO)-compliant PA (150 min aerobic exercise and 2 resistance training-sessions/week) vs. activity as usual (control group).

METHODS: Thirty-four newly diagnosed consecutive MM patients were randomized 1:1 to exercise vs. control groups. Guided training (2×/week) was performed for 3 months during bortezomib-cyclophosphamide-dexamethasone (VCd) induction. PA was monitored using smartwatches and diaries. Demographics, osteolytic lesions, infections, fatigue, depression, and biomarkers (albumin, creatine kinase, C-reactive protein, high-density lipoprotein, low-density lipoprotein and pro-brain natriuretic peptide) were compared in exercise vs. control cohorts. VCd-tolerance, response, ‘timed-up-and-go-test’ (TUGT), Revised Myeloma Comorbidity Index (R-MCI), QoL (SF-12 questionnaire), event-free survival and trainer assignment during the training period were assessed (13 tests at baseline, during VCd and end of treatment [EOT]).

RESULTS: The exercise group was more than twice as active as the control group, with an average aerobic activity of 162 versus 68 min/week, respectively. Trainer-guided muscle-strengthening exercises were performed 2×/week in the exercise group, in line with WHO recommendations. These data were monitored via smartwatches and training diaries. PA proved to be safe: No exercise-related SAEs or accidents occurred. The study adherence was 94% (32/34). In the exercise versus control group, AEs to VCd induction (6% vs. 25%), therapy intolerance (6% vs. 25%) and hospitalization (31% vs. 50%, respectively) occurred less frequently. VCd-dose adjustments in the exercise vs. control group were significantly less needed (6.3% vs. 37.5%, respectively). At EOT, patients in the exercise group showed less fatigue (6% vs. 75%), less depression (6% vs. 44%), better TUGT (6 vs. 11 s, respectively), improved R-MCI and QoL compared to the control group. Grip strength (right hand: 73-82 lb; left hand: 68-72 lb) significantly improved from baseline to EOT in the exercise group. Biomarkers did not significantly differ in both groups, but response to VCd-induction and event-free survival were improved in the exercise group, however, without reaching statistical significance.

CONCLUSIONS: PA in MM patients during induction is feasible and can improve fatigue, depression, TUGT, grip strength, comorbidities and QoL. More sport intervention offers are warranted to advance exercising in MM.

TRIAL REGISTRATION: drks.de: DRKS00022250.

PMID:40196920 | DOI:10.1002/jcsm.13793

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Excess Respiratory Hospitalisations Associated with Influenza, Respiratory Syncytial Virus and SARS-CoV-2 in Singapore from 2015 to 2023

Influenza Other Respir Viruses. 2025 Apr;19(4):e70098. doi: 10.1111/irv.70098.

ABSTRACT

BACKGROUND: The patterns of circulation and burden of influenza and respiratory syncytial virus (RSV) in Singapore are affected by the COVID-19 pandemic containment measures. These patterns in relation to SARS-CoV-2 in a post-pandemic era are unclear.

METHODS: Using data from 2015 to 2023, we estimated excess influenza-, RSV- and SARS-CoV-2-associated hospitalisation in Singapore, adjusted for rhinovirus/enterovirus activity in generalised additive models. The data include pneumonia and influenza (P&I) hospitalisation from a national inpatient database and a community-wide acute respiratory infection (ARI) sentinel surveillance programme, stratified by age groups.

RESULTS: Across all age groups, the proportion of hospitalisation associated with influenza, SARS-CoV-2 and RSV was 13.2% (95% CI 5.0%-21.6%), 19.3% (95% CI 13.8%-25.0%) and 4.0% (95% CI 0.9%-12.1%) in 2023, respectively. From 2019 to 2023, all-age influenza-associated hospitalisation declined from 264.4 per 100,000 person-years (95% CI 214.2-313.2) to 203.7 per 100,000 person-years (95% CI 76.8-333.6). In contrast, all-age RSV-associated hospitalisation after the pandemic was 62.2 per 100,000 person-years (95% CI 13.8-186.9), similar to pre-pandemic observations. Peak seasonal influenza occurred 3-8 weeks later as compared with the time of pre-pandemic peak influenza activity.

CONCLUSION: The overall burden of influenza has declined after the COVID-19 pandemic and its burden is comparable with SARS-CoV-2. Furthermore, shifts in the timing of peak influenza activity suggest a potential need to review the timing of vaccine recommendations in Singapore.

PMID:40196916 | DOI:10.1111/irv.70098

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Interrater reliability and practicability of the German version of the Ghent Global Incontinence-Associated Dermatitis Categorization Tool

Pflege. 2025 Apr 8. doi: 10.1024/1012-5302/a001039. Online ahead of print.

ABSTRACT

Background: Incontinence-associated dermatitis (IAD) is a sequela of fecal and/or urinary incontinence with an estimated prevalence rate of 6% to 27%. To assess the severity of IAD the Ghent Global IAD Categorization Tool (GLOBIAD) was developed. A German translation of GLOBIAD (GLOBIAD-D) is available, but psychometric testing is pending. Aim: The aim of the study was to assess the interrater reliability, practicability and clinical relevance of the GLOBIAD-D. Methods: A multicenter study with cross-sectional design was conducted in four health and social care facilities in Germany and Austria including patients/residents with IAD. The overall percentage of observation agreement (POA) and interrater reliability was assessed using data from 23 observations of an IAD. Practicability and clinical relevance were assessed using a self-administered questionnaire. Data analysis was performed using descriptive statistics, Cohen’s kappa(κ), and Cramers V. Results: A high percentage of observational agreement (n = 22; POA = 68.20%) and moderate interrater reliability (n = 22; κ = 0.55; 95% CI [0.28; 0.82]) were obtained with GLOBIAD-D. Practicability and clinical relevance of GLOBIAD-D were rated as good and it was described as a simple, understandable, user-friendly, and time efficient tool. Potential for improvement was seen in image quality as well as description of category 2A. Conclusions: GLOBIAD-D shows a high overall POA and was proved to be practical and clinically relevant. Further studies are needed to make recommendations.

PMID:40196905 | DOI:10.1024/1012-5302/a001039

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Post-capillary pulmonary hypertension in heart failure: addressing statistical and methodological issues in research

Eur Heart J. 2025 Apr 8:ehae812. doi: 10.1093/eurheartj/ehae812. Online ahead of print.

NO ABSTRACT

PMID:40196897 | DOI:10.1093/eurheartj/ehae812

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Remnant cholesterol reduction for ASCVD prevention: modelling in the Copenhagen General Population Study

Eur J Prev Cardiol. 2025 Apr 8:zwaf203. doi: 10.1093/eurjpc/zwaf203. Online ahead of print.

ABSTRACT

AIMS: Elevated remnant cholesterol is a causal factor for atherosclerotic cardiovascular disease (ASCVD); however, whether aggressive lowering will reduce ASCVD is unclear. In women and men, we tested the hypothesis that aggressive lowering of remnant cholesterol has the potential for substantial ASCVD reduction. This was tested using modelling of cohort data.

METHODS: From the Copenhagen General Population Study, 56 422 women and 43 952 men without a history of ASCVD were recruited from 2003 through 2015. They were subsequently followed in national Danish health registries until December 2021 for incident ASCVD.

RESULTS: During a median follow-up of 12 years, 4 946 women and 6 043 men developed ASCVD. In women at very-high cardiovascular risk, 2 mmol/L (77 mg/dL) lower levels of remnant cholesterol from 3 mmol/L (116 mg/dL) likely reduces absolute 10-year risk of ASCVD by 17% and 13% in statin users and non-users; corresponding values in men were 20% and 15%, respectively. Corresponding values by 1 mmol/L (39 mg/dL) lower remnant cholesterol were 10% and 7% in women and 11% and 9% in men, respectively. Similar values are also provided for lower starting remnant cholesterol levels, different lowering of remnant cholesterol, and for lower baseline cardiovascular risk.

CONCLUSIONS: In women and men, aggressive lowering of remnant cholesterol has the potential for substantial ASCVD reduction. Estimated absolute risk reduction was larger in statin users versus non-users and in men versus women, likely because statin users versus non-user and men versus women are at higher baseline absolute risk.

PMID:40196895 | DOI:10.1093/eurjpc/zwaf203

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Anal dilations following posterior sagittal anorectoplasty: Are they necessary in all patients?

Cir Pediatr. 2025 Apr 7;38(2):61-67. doi: 10.54847/cp.2025.02.15.

ABSTRACT

INTRODUCTION: Anal dilations (AD) following posterior sagittal anorectoplasty (PSARP) can have a psychological impact on patients and caregivers. We present our long-term results after changing the postoperative AD protocol to improve patient selection and avoid unnecessary ADs.

MATERIAL AND METHODS: A retrospective study of patients undergoing PSARP in our institution from 2018 to 2023 was carried out. Demographic variables, ARM types, intraoperative Hegar (IH) and postoperative Hegar (PH) size after 3 weeks, need for dilations, and follow-up were reviewed. Protocol change includes outpatient measurement on postoperative week 3. If the caliber is lower than IH or than the normal caliber based on patient age, ADs are indicated.

RESULTS: 36 patients (24 males) aged 8.2 ± 5.8 months at PSARP were included. The most frequent types of anorectal malformation (ARM) were rectoperineal (10), rectovestibular (10), and rectobulbar (10). IH size was 12 ± 1.2 mm. 3 weeks later, the caliber decreased in 29 patients (80.6%), with ADs being initiated in all of them. In 6 patients (16.7%), there were no differences in terms of size, which means ADs were not indicated. After a 40-month (range: 16-49) follow-up period, 6 (16%) patients had mucosal prolapse, with only 2 (5%) requiring surgical repair. None of the patients developed neoanal stricture.

CONCLUSIONS: The need for ADs following PSARP can be established based on outpatient neoanal measurement, by comparing neoanal size with IH size. Most patients require dilations, but there is a small group where the latter can be avoided without increasing the risk of stricture.

PMID:40196881 | DOI:10.54847/cp.2025.02.15

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Development and validation of a web-based dynamic nomogram to predict individualized risk of severe carotid artery stenosis based on digital subtract angiography

Front Neurol. 2025 Mar 24;16:1565395. doi: 10.3389/fneur.2025.1565395. eCollection 2025.

ABSTRACT

OBJECTIVES: Delays in diagnosing severe carotid artery stenosis (CAS) are prevalent, particularly in low-income regions with limited access to imaging examinations. CAS is a major contributor to the recurrence and poor prognosis of ischemic stroke (IS). This retrospective cohort study proposed a non-invasive dynamic prediction model to identify potential high-risk severe carotid artery stenosis in patients with ischemic stroke.

METHODS: From July 2017 to March 2021, 739 patients with ischemic stroke were retrospectively recruited from the Department of Neurology at Liuzhou Traditional Chinese Medical Hospital. Risk factors for severe CAS were identified using the least absolute shrinkage and selection operator (LASSO) and multivariate logistic regression (MLR) methods. The model was constructed after evaluating multicollinearity. The model’s discrimination was assessed using the C-statistic and area under the curve (AUC). Its clinical utility was evaluated through the decision curve analysis (DCA) and the clinical impact curve (CIC). Calibration was examined using a calibration plot. To provide individualized predictions, a web-based tool was developed to estimate the risk of severe CAS.

RESULTS: Among the patients, 488 of 739 (66.0%) were diagnosed with severe CAS. Six variables were incorporated into the final model: history of stroke, serum sodium, hypersensitive C-reactive protein (hsCRP), C-reactive protein (CRP), basophil percentage, and mean corpuscular hemoglobin concentration (MCHC). Multicollinearity was ruled out through correlation plots, variance inflation factor (VIF) values, and tolerance values. The model demonstrated good discrimination, with a C-statistic/AUC of 0.70 in the test set. The DCA and CIC indicated that clinical decisions based on the model could benefit IS patients. The calibration plot showed strong concordance between predicted and observed probabilities. The web-based prediction model exhibited robust performance in estimating the risk of severe CAS.

CONCLUSION: This study identified six key risk factors for severe CAS in IS patients. In addition, we developed a web-based dynamic nomogram to predict the individual risk of severe CAS. This tool can potentially support tailored, risk-based, and time-sensitive treatment strategies.

PMID:40196863 | PMC:PMC11973061 | DOI:10.3389/fneur.2025.1565395