Internal Medicine: Open Access
Open Access

Department of Biostatistics and Epidemiology, Loyola University Medical Centre, Illinois, USA

Publications

• Research Article   
  Survival Analysis of COVID-19 Patients using Cox Frailty Model
  Author(s): Elena Battino*
  
  Background: The coronavirus disease 2019 (COVID-19) has been a pandemic and has affected mortality worldwide. The Cox Proportional Hazard (CPH) model is becoming more popular in time to event data analysis. When there are unobserved/unmeasured individual's factors, then the results of the CPH may not be reliable. So, this study aimed to determine the association between frailty and survival time in hospitalized COVID-19 patients. Methods: This was a Single-center observational study conducted at one of the hospitals in Iran. So that, hospitalized patients with confirmed COVID-19 were included. Epidemiological, clinical, laboratory and outcome data on admission were extracted from electronic medical records. After selecting the most important prognostic risk factors on survival, CPH and gamma-frailty Cox models were used to identify the u.. View More»
  DOI: 10.35248/2165-8048.22.12.358

  Abstract HTML PDF