Table 3.
Clinical features of influenza A/H1N1v infection according to age, co-morbidity and PICU admission among hospitalized children
| Clinical presentation | ||||||||
|---|---|---|---|---|---|---|---|---|
| Pneumonia | Hypoxemia | Seizures | GI* manifestations | |||||
| n (%) | n (%) | n (%) | n (%) | |||||
| Global cohort (N = 215) | 74 (34) | 58 (27) | 21 (10) | 78 (36) | ||||
| Age groups (months) | ||||||||
| < 3 months (n = 41) | 7 (17) | p = 0.03 | 4 (10) | p = 0.01 | 1 (2) | p = 0.19 | 13 (32) | p = 0.74 |
| 3-24 months (n = 59) | 23 (39) | 15 (25) | 6 (10) | 21 (36) | ||||
| > 24 months (n = 115) | 44 (38) | 39 (34) | 14 (12) | 44 (38) | ||||
| Co-morbidity | ||||||||
| yes (n = 101) | 32 (32) | p = 0.4 | 34 (34) | p = 0.03 | 10 (10) | p = 0.95 | 33 (33) | p = 0.3 |
| no (n = 114) | 42 (37) | 24 (21) | 11 (10) | 45 (39) | ||||
| PICU admission | ||||||||
| yes (n = 21) | 15 (71) | p < 0.001 | 18 (86) | p < 0.001 | 0 (0) | p = 0.2 | 5 (24) | p = 0.2 |
| no (n = 194) | 59 (30) | 40 (21) | 21 (11) | 73 (38) | ||||
Legend:*GI = gastrointestinal manifestations, including nausea, vomiting and/or diarrhea