| 7-day mortality | 28-day mortality | ||
---|---|---|---|---|
HR (95% CI) | P | HR (95% CI) | P | |
24-h cumulative fluid balance* (per 1.0 L increase, n = 258) | ||||
 Unadjusted | 1.15 (1.09–1.22) | < 0.001 | 1.14 (1.08–1.20) | < 0.001 |
 Adjusted model†| 1.14 (1.06–1.22) | < 0.001 | 1.11 (1.04–1.18) | 0.002 |
72-h cumulative fluid balance* (per 1.0 L increase, n = 191) | ||||
 Unadjusted | 1.12 (1.07–1.16) | < 0.001 | 1.10 (1.06–1.14) | < 0.001 |
 Adjusted model†| 1.10 (1.05–1.15) | < 0.001 | 1.07 (1.03–1.12) | 0.001 |