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VOLUME 26 , ISSUE 11 ( November, 2022 ) > List of Articles

Original Article

Demographics and Clinical Characteristics of COVID-19-vaccinated Patients Admitted to ICU: A Multicenter Cohort Study from India (PostCoVac Study-COVID Group)

Amarja Ashok Havaldar, Kaladhar Sheshala, Abhilash Chennabasappa, Ria Rachel Thomas, EA Chinny Sushmitha, Raman Kumar, Munta Kartik, Akshay Hiruyur Manjunatha Swamy, John Michael Raj, Sumithra Selvam

Keywords : BBV152, Breakthrough infection, ChAdOx1 nCOV19, Covaxin, COVID-19, COVID vaccination, Delta variant, ICU, Multicenter study

Citation Information : Havaldar A A, Sheshala K, Chennabasappa A, Thomas RR, Sushmitha EC, Kumar R, Kartik M, Swamy AH, Raj JM, Selvam S. Demographics and Clinical Characteristics of COVID-19-vaccinated Patients Admitted to ICU: A Multicenter Cohort Study from India (PostCoVac Study-COVID Group). Indian J Crit Care Med 2022; 26 (11):1184-1191.

DOI: 10.5005/jp-journals-10071-24349

License: CC BY-NC 4.0

Published Online: 31-10-2022

Copyright Statement:  Copyright © 2022; The Author(s).


Background: Emergency authorization and approval were given for the coronavirus disease-19 (COVID-19) vaccines. The efficacy reported after phase III trials were 70.4% and 78% for Covishield and Covaxin, respectively. In this study, we aim to analyze the risk factors, which were associated with mortality in critically ill COVID-19-vaccinated patients admitted into intensive care unit (ICU). Materials and methods: This study was conducted from April 1, 2021 to December 31, 2021 across five centers in India. Patients who had received either one or two doses of any of the COVID vaccines and developed COVID-19 were included. The ICU mortality was a primary outcome. Results: A total of 174 patients with COVID-19 illness were included in the study. The mean age was 57 years standard deviation (SD 15). Acute physiology, age and chronic health evaluation (APACHE II) score and the sequential organ failure assessment (SOFA) score were 14 (8–24.5) and 6 (4–8), respectively. Multiple variable logistic regression showed patients who have received a single dose [odds ratio (OR): 2.89, confidence interval (CI): 1.18, 7.08], neutrophil:lymphocyte (NL) ratio (OR: 1.07, CI: 1.02,1.11), and SOFA score (OR: 1.18, CI: 1.03,1.36) were associated with higher mortality. Conclusion: The mortality in the vaccinated patients admitted to the ICU was 43.68% due to COVID illness. The mortality was lower in patients who had received two doses.

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