Table 1 Demographic characteristics of the pediatric SARI cases
Variable | Beijing | Shanghai | P-value |
|---|---|---|---|
n = 259 (%) | n = 441 (%) | ||
Gender ratio (M/F) | 1.5:1 | 1.8:1 | 0.30730 |
Age in months (mean/median) | 13.1/7 | 25.9/12 | <  0.0001 |
Age group | |||
 0–6 M | 116 (44.8) | 139 (31.5) | 0.00043 |
 7 M–12 M | 51 (19.7) | 68 (9.7) | 0.14634 |
 1 Y–2 Y | 48 (18.5) | 74 (16.8) | 0.55525 |
 3 Y–5 Y | 41 (15.8) | 103 (23.4) | 0.01740 |
Clinical manifestations | |||
 Fever(≥38 °C) | 155 (59.8) | 339 (76.9) | <  0.0001 |
 Cough | 250 (96.5) | 422 (95.7) | 0.66711 |
 Wheezing | 54 (20.8) | 181 (69.9) | <  0.0001 |
 Runny nose | 49 (18.9) | nr |  |
 Diarrhea | 17 (6.6) | 85 (19.3) | <  0.0001 |
 Cyanosis | nr | 49 (11.1) |  |
Clinical diagnosis | |||
 Bronchopneumonia | 117 (45.2) | 42 (9.5) | <  0.0001 |
 Pneumonia | 123 (47.5) | 370 (83.9) | <  0.0001 |