Table 1 Basic information among male and female patients with mild COPD
Characteristics | Total | Male | Female | P value |
|---|---|---|---|---|
Number [n(%)] | 275 | 134(48.7) | 141(51.3) | . |
Age, years [mean(SD)] | 61.5(6.0) | 62.1(5.4) | 60.9(6.5) | 0.113 |
BMI (kg/m2) [mean(SD)] | 25.1(4.0) | 24.7(3.9) | 25.5(4.2) | 0.074 |
Ever alcohol drinking [n(%)] | 54(19.6) | 49(36.6) | 5(3.5) | < 0.0001 |
Ever smoking [n(%)] | 115(41.8) | 113(84.3) | 2(1.4) | < 0.0001 |
Regular exercise [n(%)] | 98(35.6) | 48(35.8) | 50(35.5) | 0.95 |
Years of education [n(%)] | ||||
 < 9 | 229(83.3) | 109(81.3) | 120(85.1) | 0.403 |
 ≥ 9 | 46(16.7) | 25(18.7) | 21(14.9) |  |
Monthly household income per capita/Yuan [n(%)] | ||||
 < 3000/per month | 141(51.3) | 57(42.5) | 84(59.6) | 0.005 |
 ≥ 3000/per month | 134(48.7) | 77(57.5) | 57(40.4) |  |
Duration of COPD, year [mean(SD)] | 11.3(14.1) | 9.4(13.9) | 13.2(14.1) | 0.004 |
EQ-5Dvas score [mean(IQR)] | 70.6(14.3) | 70.1(14.6) | 71.0(14.1) | 0.322 |
Regular COPD medication use, in recent 12Â months [n(%)] | 97(35.3) | 48(35.8) | 49(34.8) | 0.853 |
Exacerbation, in recent 12Â months [n(%)] | 77(28.0) | 35(26.1) | 42(29.8) | 0.498 |
Comorbidity [n(%)] | 145(52.7) | 61(45.5) | 84(59.6) | 0.020 |