Search Results for: Retrospective Studies

December 19, 2025

Unmeasured confounding and misclassification in studies estimating vaccine effectiveness against hospitalisation and death using electronic health records (EHRs): an evaluation of a multi-country European retrospective cohort study.

Publication date: Dec 17, 2025 Electronic health record (EHR)-based observational studies can rapidly provide real-world data on vaccine effectiveness (VE), though EHR data may be prone to misclassification and unmeasured ... Read more

January 22, 2026

Perioperative Pembrolizumab in Locally Advanced Melanoma: A Real-world Single-centre Retrospective Study.

Melanoma Literature

Publication date: Jan 19, 2026 Perioperative immune-checkpoint inhibition (ICI) using pembrolizumab (3 doses of pembrolizumab 200 mg every 3 weeks before surgery and 15 doses afterwards) in advanced resectable melanoma ... Read more

January 22, 2026

Bayesian Spatial Analysis of Trends and Disparities in Telehealth Use During the COVID-19 Pandemic: Retrospective Observational Study.

Coronavirus Literature

Publication date: Jan 20, 2026 Telehealth has emerged as an essential health care tool, particularly during the COVID-19 pandemic, when in-person medical services were significantly restricted. While telehealth adoption surged ... Read more

January 22, 2026

Clinical Characteristics, Molecular Diagnosis, and Drug Resistance Profiles of Nontuberculous Mycobacteria Infections: A Retrospective Analysis Using PCR Melting Curve Technology.

Tuberculosis Literature

Publication date: Feb 01, 2026 Nontuberculous mycobacteria (NTM) are emerging global pathogens. This study aimed to analyze the clinical features, species distribution, and drug resistance profiles of NTM infections in ... Read more

January 21, 2026

Immune checkpoint inhibitor-induced pure red cell aplasia: a nationwide retrospective case series and literature review.

Melanoma Literature

Publication date: Jan 20, 2026 Immune checkpoint inhibitors (ICIs) may lead to rare but severe hematological adverse events, including pure red cell aplasia (ICI-PRCA). We conducted a nationwide retrospective national ... Read more

January 20, 2026

Positive Preprocedure Depression Screening Is Associated With Worse Outcomes After Single-Level Posterior-Only Lumbar Fusion: A Retrospective Cohort Analysis.

Major Depressive Disorder Literature

Publication date: Feb 01, 2026 Major depressive disorder affects approximately 10% of all adults in the United States, but the condition remains underdiagnosed for patients with degenerative spine disease and ... Read more

January 15, 2026

Global, regional and national burden of glaucoma from 1990 to 2021 and projections to 2050: a retrospective cross-sectional study.

Coronavirus Literature

Publication date: Jan 13, 2026 This study assessed the global burden of glaucoma using data from the Global Burden of Disease (GBD) 2021 study. The analysis of epidemiological trends aimed ... Read more

January 14, 2026

Impact of the COVID-19 pandemic on university performance: a retrospective follow-up study of the University of Split, Croatia.

Coronavirus Literature

Publication date: Jan 12, 2026 The COVID-19 pandemic has affected the academic performance, financial health, scientific output, and student and staff mobility of higher education institutions globally. Here, we report ... Read more

January 12, 2026

Factors influencing excessive daytime sleepiness in obstructive sleep apnea: A retrospective cohort analysis integrating psychological assessment with polysomnography.

Major Depressive Disorder Literature

Publication date: Feb 01, 2026 This study aimed to systematically evaluate psychological and polysomnographic parameters to analyze factors influencing excessive daytime sleepiness (EDS) in patients with obstructive sleep apnea (OSA). ... Read more

January 12, 2026

Immune-Based Biomarkers as Predictors of Mortality in ECMO Therapy for Severe COVID-19 ARDS: Insights from a Retrospective Study.

Coronavirus Literature

Publication date: Dec 30, 2025 Extracorporeal membrane oxygenation (ECMO) is a vital intervention for patients with severe respiratory failure, particularly in unresponsive acute respiratory distress syndrome (ARDS) cases. However, patient ... Read more