Table 3.
The factors influencing FEV1% predicted decline in the high-risk group
| Variables | P (univariate) | OR (95% CI; univariate) |
|---|---|---|
| Age group 3-1 | 0.621 | 0.241 (0.022, 2.583) |
| Age group 3-2 | 0.420 | 0.188 (0.018, 2.002) |
| Gender 2-1 | 0.838 | 1.268 (0.13, 12.378) |
| BMI | 0.999 | 1.000 (0.770, 1.299) |
| Exposure 2-1 | 0.157 | 0.256 (0.039, 1.69) |
| Family history 2-1 | 0.975 | – |
| CAT 2-1 | 0.772 | 0.714 (0.074, 6.944) |
| mMRC 2-0 | 0.958 | – |
| mMRC 2-1 | 0.984 | – |
| Smoking years 2 | 0.261 | 1.024 (0.983, 1.066) |
| EI 2-1 | 0.710 | 0.65 (0.067, 6.296) |
Abbreviations: FEV1, forced expiratory volume in the first second of expiration; OR, odds ratio; CI, confidence interval; BMI, body mass index; CAT, COPD Assessment Test; mMRC, modified British Medical Research Council; EI, Emphysema Index.