Table 3.
Adjusted in-hospital and ICU mortality and prognostic factors associated with overall mortality and ICU mortality in patients admitted with COVID-19 in Qazvin province, Iran
| Overall mortality | ICU mortality | |||||
|---|---|---|---|---|---|---|
| Overall | Point estimate (95% CI) | OR (95% CI) | P-value | Point estimate (95% CI) | OR (95% CI) | P-value |
| Lull | 7.6 (7.5, 7.7) | Reference | 47.8 (47.5, 48.2) | Reference | ||
| Surge | 9.5 (9.4, 9.6) | 1.3 (1.1, 1.5) | <0.001 | 59.1 (58.7, 59.5) | 1.7 (1.3, 2.3) | <0.001 |
| Age < 40 | ||||||
| Lull | 1.8 (1.7, 1.9) | Reference | 28.1 (24.1, 32.2) | Reference | ||
| Surge | 2.6 (2.5, 2.7) | 1.4 (0.8, 2.5) | 0,179 | 48.7 (43.8, 53.6) | 3.8 (1.4, 10.0) | 0.004 |
| Age 40–59 | ||||||
| Lull | 4.8 (3.8, 4.2) | Reference | 53.5 (50.9, 56.0) | Reference | ||
| Surge | 6.1 (5.9, 6.3) | 1.5 (1.1, 2.0) | 0.001 | 66.6 (64.3, 68.9) | 2.0 (1.2, 3.5) | 0.003 |
| Age 60–79 | ||||||
| Lull | 11.1 (10.9, 11.4) | Reference | 67.4 (65.2, 69.6) | Reference | ||
| Surge | 13.6 (13.3, 13.9) | 1.2 (1.0, 1.4) | 0.054 | 76.7 (74.8, 78.5) | 1.9 (1.2, 3.1) | 0.004 |
| Age ≥ 80 | ||||||
| Lull | 20.8 (20.4, 21.2) | Reference | 77.3 (74.8, 79.9) | Reference | ||
| Surge | 25.2 (24.8, 25.7) | 1.3 (1.0, 1.7) | 0.050 | 76.6 (74.1, 79.2) | 0.9 (0.5, 1.8) | 0.564 |
The regression model was adjusted for age, sex, respiratory rate, oxygen saturation, comorbidity (Charlson index) and type of hospital.
The bold values denote statistical significance at 0.05 level, after adjustment for age, sex, oxygen saturation, comorbidity (Charlson index), and type of hospital.