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两组急性呼吸道感染数量分布
Quantity distribution of acute respiratory tract infection in the two groups (n, %)
| Temperament type | Number of cases | Number of symptomatic cases (%) | Z | P |
| Easy to raise type | 101 | 65 (64.36) | -2.856 | 0.004 |
| Difficult to raise type | 73 | 52 (71.23) |
