Table 4. Severity criteria in the 400 patients at intensive care unit admission, according to outcome.
| Severity criteria | Survivors n = 358 | Nonsurvivors n = 42 | P value* |
| Impaired consciousness, n (%) | 77 (21.5) | 26 (62.0) | <0.0001 |
| Respiratory distress, n (%) | 72 (20.1) | 29 (69.1) | <0.0001 |
| Multiple convulsions, n (%) | 22 (6.2) | 5 (11.9) | 0.1849 |
| Shock, n (%) | 69 (19.3) | 26 (61.9) | <0.0001 |
| Abnormal bleeding, n (%) | 7 (2.0) | 3 (7.1) | 0.0766 |
| Jaundice, n (%) | 178 (49.7) | 30 (71.4) | 0.0077 |
| Hemoglobinuria, n (%) | 20 (5.6) | 2 (4.8) | 1.0000 |
| Severe anemia, n (%) | 10 (2.8) | 4 (9.5) | 0.0453 |
| Hypoglycemia, n (%) | 5 (1.4) | 8 (19.1) | <0.0001 |
| Acidosis, n (%) | 43 (12.0) | 27 (64.3) | <0.0001 |
| Hyperlactatemia, n (%) | 37 (10.3) | 26 (61.9) | <0.0001 |
| Parasitemia > 4%, n (%) | 223 (62.3) | 34 (81.0) | 0.0170 |
| Renal impairment, n (%) | 111 (31.0) | 26 (61.9) | <0.0001 |
| Mean number of severity criteria during the first 24 hours in the ICU (± SD) | 2.4±1.6 | 5.9±2.4 | <0.0001 |
WHO, World Health Organization; ICU, intensive care unit.
*according to univariate analysis.