Table 3:
Multivariate and univariate logistic regression for in-hospital death during 1st and 3rd waves (Backward stepwise, predictive model).
| Univariate | Multivariate | |||
|---|---|---|---|---|
| 1st wave | 3rd wave | 1st wave | 3rd wave | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| CA-AKIa | 1.9 (1.3–2.8) | 1.8 (1.1–3.1) | 1.6 (1.1–2.4) | 1.6 (0.9–2.9) |
| HA-AKIa | 2.9 (2.0–4.3) | 6.1 (3.4–11.1) | 2.2 (1.4–3.3) | 5.1 (2.7–9.7) |
| Previous CKDa | 7.2 (4.9–10.5) | 4.6 (2.6–8.0) | 2.7 (1.8–4.2) | 1.9 (1.0–3.5) |
| Age 65–75 yearsb | 5.0 (3.1–7.9) | 4.1 (2.0–8.4) | 3.9 (2.4–6.3) | 2.9 (1.3–6.1) |
| Age >75 yearsb | 14.8 (9.8–22.3) | 13.0 (6.9–24.4) | 10.8 (7.0–16.6) | 9.7 (5.0–18.5) |
| Charlson index (without years) | 1.3 (1.2–1.4) | 1.3 (1.2–1.4) | 1.2 (1.1–1.3) | 1.2 (1.1–1.3) |
| Female | 1.0 (0.8–1.3) | 0.9 (0.6–1.3) | ||
| Cancer | 2.5 (1.6–3.8) | 2.0 (1.0–3.8) | ||
| Hypertension | 1.4 (1.1–1.8) | 1.0 (0.6–1.5) | ||
| Obesity | 0.7 (0.4–1.3) | 1.4 (08–2.4) | ||
a
Versus patient reference (serum creatinine normal).
b
Versus age >65 years. COVID severity index out of model.