Table 2.
Clinical signs and symptoms and respiratory complications in children hospitalized with 2009 H1N1 influenza
| Variables | <1 year | 1–5 years | >5 years | Total |
|---|---|---|---|---|
| (N = 4), n (%) | (N = 30), n (%) | (N = 28), n (%) | (N = 62), n (%) | |
| Fever | 4 (100) | 30 (100) | 27 (96) | 61 (98) |
| Cough | 4 (100) | 29 (96) | 25 (89) | 58 (94) |
| Difficulty in respiration | 4 (100) | 8 (27) | 8 (29) | 20 (32) |
| Myalgia | Cannot tell | 1 (3) | 8 (29) | 9 (16) |
| Headache | Cannot tell | Nil | 9 (32) | 9 (16) |
| Diarrhea | Nil | 1 (3) | Nil | 1 (2) |
| Vomiting | 1 (25) | 3 (10) | 5 (18) | 9 (16) |
| Respiratory Complications | ||||
| Wheezing | 2 (50) | 20 (67) | 4 (14) | 26 (42) |
| Bronchopneumonia | 4 (100) | 20 (67) | 17 (61) | 41 (66) |
| Empyema/pleural effusion | Nil | 2 (7) | 2 (7) | 4 (6) |
| Pneumothorax | Nil | Nil | 1 (4) | 1 (2) |
| Hypoxemiaa | 3 (75) | 7 (23) | 9 (32) | 19 (31) |
aSpO2 <93% on ambient air was considered hypoxemia.