Table 1.
Demographic and clinical features in pediatric and adult groups, São Paulo, Brazil*
| Characteristic | Patients < 18 years of age (n = 42) | Patients ≥ 18 years of age (n = 328) | P |
|---|---|---|---|
| Age, years | 12.5 ± 3.8 | 40.1 ± 13.8 | < 0.01 |
| Deaths | 2/42 (5) | 87/328 (27) | < 0.01 |
| Jaundice | 26/41 (64) | 261/318 (82) | < 0.01 |
| Bilirubin level (mg/dL) | 5.6 ± 6.8 | 12.2 ± 11.8 | < 0.01 |
| Oliguria | 16/41 (39) | 190/317 (60) | 0.02 |
| Serum creatinine level (mg/dL) | 2.4 ± 1.8 | 3.4 ± 2.4 | 0.01 |
| Male sex | 31/42 (74) | 281/328 (86) | 0.08 |
| Days of symptoms before admission | 4.7 ± 2.6 | 5.9 ± 4.3 | 0.07 |
| Pulmonary involvement | 13/39 (33) | 120/311 (39) | 0.64 |
| Mean platelet count/mm3 | 110,221 ± 73,342 | 110,303 ± 114,387 | 0.99 |
| Serogroup Icterohaemorrhagiae† | 21/30 (70) | 168/223 (75) | 0.53 |
*
Values are mean ± SD or n/N (%).
†
As predicted by the highest microscopic agglutination test titer.