Table 1.
Epidemiologic features and pre-existing conditions in children hospitalized with 2009 H1N1 influenza
| Variables | Males | Females | Total |
|---|---|---|---|
| Age of the patient (months) | |||
| Mean ± SD | 66.2 ± 50.4 | 77.6 ± 47.3 | 68.9 ± 49.5 |
| Range | 6–180 | 30–216 | 6–216 |
| Sex of the patient, n (%) | 47 (76) | 15 (24) | 62 |
| Pre-existing condition (if any)a, n (%) | |||
| Asthma/recurrent WARI | 4 (9) | Nil | 4 (7) |
| Anemia | 18 (38) | 12 (80) | 30 (48) |
| Hemoglobin 9–11 g% | 11 (61) | 8 (67) | 19 (63) |
| Hemoglobin 6–9 g% | 5 (28) | 4 (33) | 9 (30) |
| Hemoglobin <6 g% | 2 (11) | Nil | 2 (7) |
| Tuberculosis | 2 | Nil | 2 |
| Heart disease | Nil | Nil | Nil |
| Immunosuppression | Nil | Nil | Nil |
| Malnutrition, n (%) | 22 (47) | 8 (53) | 30 (48) |
| Grade I, n (%) | 9 (19) | 3 (20) | 12 (19) |
| Grade II, n (%) | 7 (15) | 3 (20) | 10 (16) |
| Grade III, n (%) | 4 (9) | 1 (6) | 5 (8) |
| Grade IV, n (%) | 2 (4) | 1 (6) | 3 (5) |
aSome children had more than one pre-existing condition.