PMC7201103_01
Trend data of clinical classification of severity in a Case series of COVID-19. Numbers of cases of men or women in different clinical classes of severity. Chi-square (chi2) test for trend indicated that males tend to experience more serious cases of COVID-19 than females according to the clinical classification of severity including Mild+Moderate, Severe, and Critical.
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Critical pneumonia, respectively. Chi-square (chi2) test for trend indicated that men's cases of COVID-19 tended to be more serious than women's (P = 0.035), according to the clinical classification of severity (Figure 1).
Role of age and gender in morbidity and mortality in a Cases series of SARS, in 2003. (A) The whole spectrum of age in patients who died from and survived SARS. (B) Comparation of age between males and females in both patients who died from and survived SARS. (C) Gender distribution in both patients who died from and survived SARS. (D) Survival analysis comparing mortality rates between male and female patients with SARS.
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While the deceased patients were significantly older than the patients who survived (Figure 3A), ages were comparable between men and women in both patients who deceased and survived with SARS (Figure 3B). The proportion of men was higher in the deceased group (53.2%) than in the group who survived (42.3%) (chi2 test, P = 0.027) (Figure 3C). Survival analysis showed that men had a significantly higher mortality rate than women (31.2 vs. 22.6%) in this hospital-based cohort (hazard ratio [95% CI] 1.47 [1.05-2.06], P = 0.026) (Figure 3D).