Table 2.
The comparison of plasma lactate parameters between the two groups.
| Total | The survival group | The non-survival group | P-value | |
|---|---|---|---|---|
| 1169 patients within 24h of ICU admission | ||||
| Number of patients, n | 1169 | 803 | 366 | - |
| LACpeak, median [Q1, Q3] (mmol/L) | 3.8 [2.7, 6.0] | 3.4 [2.6, 5.25] | 4.85 [3.2, 7.9] | <0.001 |
| LACnext within 24h, median [Q1, Q3] (mmol/L) | 2.6 [1.8, 4.5] | 2.4 [1.7, 3.7] | 3.6 [2.1, 6.6] | <0.001 |
| LAC time gap, median [Q1, Q3] (h) | 4.12 [2.55, 6.40] | 4.17 [2.6,6.55] | 4.07 [2.39, 6.23] | 0.138 |
| LACarea, median [Q1, Q3] | 15.03 [9.40, 23.43] | 13.65 [9.01, 21.73] | 18.44 [10.36, 27.63] | <0.001 |
| patients with 6-hour lactate records after LACpeak | ||||
| Number of patients, n | 204 | 146 | 58 | - |
| LACarea at 6±1h, median [Q1, Q3] | 16.08 [12.62, 21.60] | 14.65 [12.16, 19.90] | 19.66 [15.63, 30.89] | 0.001 |
| LC at 6±1h, median [Q1, Q3] | 0.29 [0.17, 0.44] | 0.32 [0.20, 0.45] | 0.20 [0.11, 0.38] | <0.001 |