Table 3.
Odds ratio of death according to four combinations of FB-fir24hr and FB-sec24hr in logistic regression.
| Variables | Crude Odds ratio (95% CI) | p | Adjusted Odds ratio (95% CI) | p |
|---|---|---|---|---|
| FB-fir24hr ≤ 0 and FB-sec24hr ≤ 0 | Ref. | — | Ref. | — |
| FB-fir24hr ≤ 0 and FB-sec24hr > 0 | 1.87 (1.47–2.38) | <0.001 | 1.84 (1.44–2.35) | <0.001 |
| FB-fir24hr > 0 and FB-sec24hr ≤ 0 | 0.90 (0.71–1.13) | 0.373 | 0.86 (0.68–1.09) | 0.206 |
| FB-fir24hr > 0 and FB-sec24hr > 0 | 2.39 (1.98–2.89) | <0.001 | 1.99 (1.64–2.42) | <0.001 |
| SOFA on ICU admission | 1.12 (1.10–1.14) | <0.001 | ||
| Urinary infection | 0.69 (0.61–0.78) | <0.001 | ||
| Respiratory infection | 1.46 (1.29–1.63) | <0.001 | ||
| Haemodialysis | 1.07 (0.87–1.31) | 0.491 | ||
| Maximum serum creatinine | 1.06 (1.03–1.09) | <0.001 | ||
| Serum sodium on ICU admission (<135 mmol/L) | 1.35 (1.19–1.54) | <0.001 | ||
| Platelet count on ICU admission (<150 *10^9/L) | 1.20 (1.06–1.35) | 0.003 | ||
| Serum calcium on ICU admission (<8 mg/dl) | 0.87 (0.78–0.90) | 0.020 |
Abbreviations: FB-fir24hr, fluid balance within the first 24 hours after ICU admission; FB-sec24hr, fluid balance within the second 24 hours (25 to 48 hours) after ICU admission; ICU intensive care unit; SOFA, sequential organ failure assessment.