Table 1.
Comparison of baseline data between the two groups
| Control group (n=45) | Observation group (n=53) | χ2/t | P value | |
|---|---|---|---|---|
| Gender | 0.416 | 0.519 | ||
| Male | 26 (57.78) | 34 (64.15) | ||
| Female | 19 (42.22) | 19 (35.85) | ||
| Age of onset (years) | 4.1±1.2 | 4.3±1.3 | 0.786 | 0.434 |
| Average course of disease (days) | 6.4±3.8 | 5.9±3.2 | 0.707 | 0.481 |
| Admission body temperature (°C) | 38.4±0.7 | 38.5±0.5 | 0.822 | 0.413 |
| Clinical manifestations | ||||
| Fever | 41 (91.11) | 45 (84.91) | 0.872 | 0.350 |
| Isthmitis | 33 (73.33) | 36 (67.92) | 0.559 | 0.342 |
| Cervical lymph node enlargement | 37 (82.22) | 41 (77.36) | 0.354 | 0.552 |
| Place of residence | 0.342 | 0.559 | ||
| Rural area | 12 (26.67) | 17 (32.08) | ||
| Urban area | 33 (73.33) | 36 (67.92) | ||
| Admission to school or not | 0.536 | 0.464 | ||
| Yes | 13 (28.89) | 19 (35.85) | ||
| No | 32 (71.11) | 34 (64.15) |