Table 4. Univariate and multivariate logistic regression models of lactate index for in-hospital mortality.
| Lactate Index | Univariate Logistic Regression Model | Multivariate Logistic Regression Model | ||||
|---|---|---|---|---|---|---|
| OR (95% CI) | Z value | p value | OR (95% CI) | Z value | p value | |
| Max lactate at T0 (mmol/L) | 1.200 (1.142–1.260) | 7.25 | <0.001 | 1.422 (1.065–1.898) | 2.39 | <0.05 |
| Max lactate at T0 ≥3.0 (mmol/L) | 1.404 (0.974–2.026) | 1.82 | 0.069 | 0.627 (0.345–1.138) | -1.53 | 0.125 |
| Max lactate at T0 ≥ 4.0 (mmol/L) | 2.251 (1.643–3.083) | 5.05 | <0.001 | 1.620 (0.845–3.109) | 1.45 | 0.147 |
| Max lactate at T0 ≥ 5.0 (mmol/L) | 2.239 (1.725–3.173) | 5.46 | <0.001 | 0.611 (0.290–1.287) | -1.30 | 0.195 |
| Max lactate at T0 ≥ 6.0 (mmol/L) | 2.906 (2.113–3.998) | 6.56 | <0.001 | 1.431 (0.656–3.121) | 0.90 | 0.368 |
| Max lactate at T12 (mmol/L) | 1.264 (1.196–1.336) | 8.30 | <0.001 | 0.871 (0.660–1.149) | -0.98 | 0.329 |
| Max lactate at T24 (mmol/L) | 1.503 (1.399–1.627) | 10.08 | <0.001 | 1.399 (1.102–1.776) | 2.76 | <0.01 |
| Max lactate 0-12h (mmol/L) | 1.203 (1.149–1.259) | 7.97 | <0.001 | 1.322 (0.895–1.954) | 1.40 | 0.161 |
| Max lactate 0-24h (mmol/L) | 1.226 (1.173–1.283) | 8.92 | <0.001 | 0.664 (0.465–0.948) | -2.25 | <0.05 |
| Lactate SL 0-12h (mmol/L/12hrs) | 1.084 (1.028–1.144) | 2.96 | <0.01 | 0.977 (0.796–1.199) | -0.23 | 0.821 |
| Lactate SL 0-24h (mmol/L/24hrs) | 1.115 (1.062–1.171) | 4.38 | <0.001 | 1.040 (0.929–1.165) | 0.68 | 0.497 |
| Δ Lac 0-12h (%) | 0.994 (0.991–0.997) | -4.22 | <0.001 | 0.994 (0.984–1.004) | -1.20 | 0.230 |
| Δ Lac 0-24h (%) | 0.987 (0.983–0.990) | -7.77 | <0.001 | 0.990 (0.978–1.001) | -1.74 | 0.082 |
| Δ Lac 12-24h (%) | 0.989 (0.985–0.993) | -5.82 | <0.001 | 1.001 (0.993–1.008) | 0.14 | 0.889 |
| Δ Lac 0-12h (≥30%) | 0.577 (0.427–0.781) | -3.56 | <0.001 | 1.556 (0.764–3.169) | 1.22 | 0.223 |
| Δ Lac 0-12h (≥20%) | 0.509 (0.376–0.690) | -4.36 | <0.001 | 0.464 (0.205–1.053) | -1.84 | 0.066 |
| Δ Lac 0-12h (≥10%) | 0.628 (0.458–0.861) | -2.89 | <0.01 | 2.349 (1.138–4.850) | 2.31 | <0.05 |
| Δ Lac 0-24h (≥30%) | 0.280 (0.204–0.383) | -7.95 | <0.001 | 0.924 (0.399–2.136) | -0.19 | 0.852 |
| Δ Lac 0-24h (≥20%) | 0.236 (0.170–0.327) | -8.67 | <0.001 | 0.674 (0.250–1.818) | -0.78 | 0.435 |
| Δ Lac 0-24h (≥10%) | 0.240 (0.170–0.340) | -8.06 | <0.001 | 1.170 (0.502–2.729) | 0.36 | 0.716 |
| Δ Lac 12-24h (≥30%) | 0.425 (0.306–0.590) | -5.11 | <0.001 | 0.959 (0.521–1.765) | -0.13 | 0.893 |
| Δ Lac 12-24h (≥20%) | 0.442 (0.326–0.599) | -5.25 | <0.001 | 1.282 (0.619–2.653) | 0.67 | 0.504 |
| Δ Lac 12-24h (≥10%) | 0.379 (0.278–0.515) | -6.18 | <0.001 | 0.863 (0.438–1.701) | -0.43 | 0.671 |
Hosmer-Lemeshow goodness-of-fit test (p value = 0.529).