| ICU Admission | Number | Duration of ventilation (days) | p value | Duration of ICU stay (days) | p value |
| Lactate ≤ 3 | 24 | 1.0833 | 0.162 | 3.5417 | 0.666 |
| Lactate > 3 | 6 | 1.0000 | 3.6667 | ||
| SvO2 ≤ 65% | 8 | 1.1250 | 0.457 | 4.1250 | 0.029* |
| SvO2 > 65% | 22 | 1.0455 | 3.3636 |