End point | COVID-19 N = 146 | H1N1 N = 162 | Unadjusted hazard ratio (95% CI) COVID vs H1N1a | Adjusted hazard ratio (95% CI) COVID vs H1N1a,b |
---|---|---|---|---|
Mortality at 60 days, n (%) | 67 (46) | 43 (27) | 1.76 (1.17–2.64) | 1.39 (0.78–2.47) |
Mortality at 90 days, n (%) | 78 (53) | 48 (30) | 1.63 (1.11–2.41) | 1.33 (0.78–2.30) |