EPIDEMIOLOGICAL CHARACTERISTICS OF COVID-19 PATIENTS WHO DIED IN HANOI IN 2021

Abstract

Objectives: This study aims to describe certain characteristics of COVID-19 patients who died in Hanoi in 2021.
Subjects and methods: A cross-sectional descriptive study was conducted using retrospective data collected from a list of cases managed by Hanoi Center for Disease Control. The study’s subjects are individuals who contracted COVID-19 and were documented within the community in Hanoi city from
January 1st to December 31st, 2021 based on the Ministry of Health’s instruction. In total, there were 59,639 confirmed cases of COVID-19, including 409 deaths.
Results and conclusions: In 2021, Hanoi recorded a total of 59,639 cases of COVID-19, including 409 deaths; The case fatality rate (CFR) is 0.68%. Among 409 COVID-19 patients who died, 52% of them were female (male/female ratio is 1/1.08); 92% of the deceased COVID-19 patients were aged 60 and above.
With the average age at time of death is 79 years old, female’s average age is statistically significantly higher than male’s; 69% of deceased patients were recorded in urban areas. The average time from onset to death was 14.6 days (median 11 days). 77% of the deaths had not received vaccination, and 81% of them had at least one underlying medical condition. Hypertension and diabetes are two most common underlying medical conditions with rates of 54.5% and 29.3%, respectively.