Characteristics | TCM hospitals | WM hospitals | χ2 | P value | ||
---|---|---|---|---|---|---|
 | Number (n = 598) | % | Number (n = 700) | % |  |  |
Gender | Â | Â | Â | Â | 3.75 | 0.05 |
  Male | 333 | 55.7 | 427 | 61.0 |  |  |
  Female | 265 | 44.3 | 273 | 39.0 |  |  |
Age, y | Â | Â | Â | Â | 4.74 | 0.09 |
  1-3 | 163 | 27.3 | 228 | 32.6 |  |  |
  4-7 | 327 | 54.7 | 346 | 49.4 |  |  |
  8-14 | 108 | 18.0 | 126 | 18.0 |  |  |
Previous medical history | Â | Â | Â | Â | Â | Â |
  Recurrent pneumoniaa | 116 | 19.4 | 45 | 6.4 | 38.60 | <0.01 |
  Recurrent bronchitisb | 43 | 7.2 | 13 | 1.9 | 5.59 | 0.02 |
  RURTIc | 78 | 13.0 | 54 | 7.7 | 17.33 | <0.01 |
  Eczema | 73 | 12.2 | 57 | 8.1 | 2.42 | 0.12 |
  Asthmad | 42 | 7.0 | 11 | 1.6 | 19.52 | <0.01 |
  Allergic rhinitis | 48 | 8.0 | 8 | 1.1 | 30.75 | <0.01 |