Testing the proportional hazards assumption in cox regression and dealing with possible non-proportionality in total joint arthroplasty research: methodological …

I Kuitunen, VT Ponkilainen, MM Uimonen… - BMC musculoskeletal …, 2021 - Springer
Background Survival analysis and effect of covariates on survival time is a central research
interest. Cox proportional hazards regression remains as a gold standard in the survival …

BNT162b2 vaccine booster and mortality due to Covid-19

R Arbel, A Hammerman, R Sergienko… - … England Journal of …, 2021 - Mass Medical Soc
Background The emergence of the B. 1.617. 2 (delta) variant of severe acute respiratory
syndrome coronavirus 2 and the reduced effectiveness over time of the BNT162b2 vaccine …

[HTML][HTML] Survival analysis: part II-applied clinical data analysis

J In, DK Lee - Korean J Anesthesiol, 2019 - synapse.koreamed.org
As a follow-up to a previous article, this review provides several in-depth concepts regarding
a survival analysis. Also, several codes for specific survival analysis are listed to enhance …

Metformin is associated with higher incidence of acidosis, but not mortality, in individuals with COVID-19 and pre-existing type 2 diabetes

X Cheng, YM Liu, H Li, X Zhang, F Lei, JJ Qin, Z Chen… - Cell metabolism, 2020 - cell.com
The safety and efficacy of anti-diabetic drugs are critical for maximizing the beneficial
impacts of well-controlled blood glucose on the prognosis of individuals with COVID-19 and …

Clinical characteristics and outcomes of critically ill patients with novel coronavirus infectious disease (COVID-19) in China: a retrospective multicenter study

J Xie, W Wu, S Li, Y Hu, M Hu, J Li, Y Yang… - Intensive care …, 2020 - Springer
Purpose An ongoing outbreak of coronavirus disease 2019 (COVID-19) emerged in Wuhan
since December 2019 and spread globally. However, information about critically ill patients …

Genome-wide study of DNA methylation shows alterations in metabolic, inflammatory, and cholesterol pathways in ALS

PJ Hop, RAJ Zwamborn, E Hannon… - Science translational …, 2022 - science.org
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with an estimated
heritability between 40 and 50%. DNA methylation patterns can serve as proxies of (past) …

Longer-term all-cause and cardiovascular mortality with intensive blood pressure control: a secondary analysis of a randomized clinical trial

BC Jaeger, AP Bress, JD Bundy, AK Cheung… - JAMA …, 2022 - jamanetwork.com
Importance The Systolic Blood Pressure Intervention Trial (SPRINT) showed that intensive
blood pressure control reduced cardiovascular morbidity and mortality. However, the legacy …

Biological rhythms in COVID-19 vaccine effectiveness in an observational cohort study of 1.5 million patients

G Hazan, OA Duek, H Alapi, H Mok… - The Journal of …, 2023 - Am Soc Clin Investig
BACKGROUND Circadian rhythms are evident in basic immune processes, but it is unclear
if rhythms exist in clinical endpoints like vaccine protection. Here, we examined associations …

Real-time prediction of COVID-19 related mortality using electronic health records

P Schwab, A Mehrjou, S Parbhoo, LA Celi… - Nature …, 2021 - nature.com
Abstract Coronavirus disease 2019 (COVID-19) is a respiratory disease with rapid human-to-
human transmission caused by the severe acute respiratory syndrome coronavirus 2 (SARS …

Expression of hub genes of endothelial cells in glioblastoma-A prognostic model for GBM patients integrating single-cell RNA sequencing and bulk RNA sequencing

S Zhao, W Ji, Y Shen, Y Fan, H Huang, J Huang, G Lai… - BMC cancer, 2022 - Springer
Background This study aimed to use single-cell RNA-seq (scRNA-seq) to discover marker
genes in endothelial cells (ECs) and construct a prognostic model for glioblastoma …