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Primary and secondary outcomes
| Variables | Baseline Lactate ≥ 2 mmol/L | Baseline Lactate < 2 mmol/L | p value |
|---|---|---|---|
| n = 920 (32%) | n = 1940 (68%) | ||
| ICU mortality | 465 (53%) | 817 (43%) | < 0.001 |
| 30-day mortality | 496 (56%) | 854 (46%) | < 0.001 |
| 3-month mortality | 533 (71%) | 924 (57%) | < 0.001 |
| ICU length of stay (hours, IQR) | 336 (408) | 377 (433) | 0.037 |
| Duration of mechanical ventilation (hours, IQR) | 343 (360) | 367 (360) | 0.026 |
ICU intensive care unit
