Table 3 Coexistence of allergic diseases in children aged 0-14 years in Beijing, Chongqing, and Guangzhou (number and %)
Coexistence | Beijing | Chongqing | Guangzhou | χ2 | P | |||
|---|---|---|---|---|---|---|---|---|
| Â | n | % | n | % | n | % | Â | Â |
Rhinitis in asthmatic children | 161 | 49.54% | 368 | 50.14% | 31 | 34.83% | 22,021.76 | <0.001 |
Eczema in asthmatic children | 147 | 45.23% | 237 | 32.29% | 17 | 19.10% | 22,655.07 | <0.001 |
Rhinitis and eczema in asthmatic children | 75 | 23.08% | 156 | 21.25% | 9 | 10.11% | 23,304.58 | <0.001 |