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儿童各种急性呼吸道感染发作次数描述性数据
Descriptive data of the number of episodes of different acute respiratory infections in children
| Type of acute respiratory infection | Minimum | Maximum | Mean value | Standard deviation |
| Acute respiratory infection | 0 | 62 | 5.48 | 9.214 |
| Acute rhinitis | 0 | 22 | 1.03 | 3.119 |
| Acute pharyngitis | 0 | 21 | 1.31 | 3.010 |
| Acute laryngitis | 0 | 12 | 0.62 | 1.782 |
| Acute tracheitis | 0 | 18 | 0.63 | 2.039 |
| Acute bronchitis | 0 | 19 | 1.63 | 3.030 |
| Acute pneumonia | 0 | 5 | 0.26 | 0.702 |
