Table 1.
Comparison of clinical characteristics among the groups
| Clinical characteristics | Group 1 (n=22) | Group 2 (n=36) | Group 3 (n=29) | F or χ2 | P-values |
|---|---|---|---|---|---|
| Age (years) | 8.4±2.8 | 9.3±2.6 | 9.4±2.7 | 1.050 | 0.355 |
| Gender (male/female) | 15/7 | 20/16 | 16/13 | 1.111 | 0.574 |
| Tachypneaa | 3 (13.6%) | 10 (27.8%) | 15 (51.7%)*,** | 8.861 | 0.012 |
| Cyanosis | 1 (4.5%) | 3 (8.3%) | 8 (27.6%)*,** | 7.125 | 0.028 |
| Hypoxiab | 2 (9.1%) | 8 (22.2%) | 13 (44.8%)* | 8.776 | 0.012 |
| Peak body temperature (°C) | 38.6±0.9 | 39.2±0.8* | 39.3±0.8* | 4.617 | 0.013 |
| Duration of fever (days) | 4.7±1.2 | 7.8±1.6* | 9.1±1.5*,** | 57.772 | 0.000 |
| Duration of hospitalization (days) | 10.2±2.3 | 13.4±2.3* | 14.3±1.8* | 24.132 | 0.000 |
Notes: Data presented as mean ± standard deviation, n, or n (%).
a
Tachypnea: infants, respiratory rate >70 breaths/min; older children, respiratory rate >50 breaths/min.
b
Hypoxia: oxygen saturation <94%.
*
P<0.05 versus group 1.
**
P<0.05 versus group 2.