Table 1 Demographic characteristics of the CR and HW groups from Sun Yat-Sen University, Guangzhou, Southern China
Characteristic | Â | Demographic characteristics, n (%) | Â | |
|---|---|---|---|---|
Level | CR | HW | P-value | |
|  | (n = 297) | (n = 292) |  | |
Gender | Male | 136(56.7) | 104(43.3) | 0.012 |
| Â | Female | 161(46.1) | 188(53.8) | Â |
Age, years | ≤20 | 126(95.5) | 6(4.5) | <0.001 |
|  | >20–30 | 68(28.2) | 173(71.8) |  |
|  | >30–50 | 47(31.3) | 103(68.7) |  |
| Â | >50 | 56(84.8) | 10(15.2) | Â |
Use of antibiotics in the last 4Â weeks | Yes | 20(47.6) | 22(52.4) | 0.723 |
| Â | No | 277(50.6) | 270(40.4) | Â |
bNasal cavity cleaning habits | Frequently | 100(44.6) | 124(55.4) | 0.028 |
| Â | Occasionally | 197(53.9) | 168(46.1) | Â |
Prior hospitalization in the last 12Â months | Yes | 11(44.0) | 14(56.0) | 0.512 |
| Â | No | 286(50.7) | 278(40.3) | Â |
aUnderlying disease | Yes | 30(75.0) | 10(25.0) | <0.001 |
| Â | No | 252(47.2) | 282(52.8) | Â |
Any family member a HW | Yes | 52(40.0) | 79(60.0) | <0.001 |
| Â | No | 295(68.6) | 135(31.4) | Â |