Table 1. Asthma cases in three areas [n (%)].
| Groups | n | Asthma | Cough-variant asthma | Suspected asthma |
|---|---|---|---|---|
| Urban area | 12,082 | 485 (4.01) | 66 (0.55) | 97 (0.81) |
| Suburban area | 5,677 | 137 (2.41) | 13 (0.23) | 32 (0.56) |
| Rural area | 5,590 | 133 (2.38) | 9 (0.16) | 21 (0.31) |
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