| Univariate Analysis | Multivariate Analysis | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | β value | SE | Wals | OR (95%CI) | P | β value | SE | Wals | OR (95%CI) | P |
Age (y) | − 0.020 | 0.018 | 1.328 | 0.980 (0.946–1.014) | .249 | − 0.042 | 0.020 | 4.522 | 0.959 (0.923–0.997) | .033 |
Gender (male/female) | 1.417 | 0.669 | 4.488 | 4.125 (1.112–15.304) | .034 |  |  |  |  |  |
Han nationality | 0.093 | 0.630 | 0.022 | 1.097 (0.319–3.770) | .883 |  |  |  |  |  |
BMI (kg/m2) | 0.063 | 0.051 | 1.516 | 1.065 (0.963–1.179) | .218 |  |  |  |  |  |
Former/current smoke | − 0.875 | 0.561 | 2.436 | 0.417 (0.139–1.251) | .119 |  |  |  |  |  |
Comorbidity | 0.063 | 0.338 | 0.035 | 1.065 (0.549–2.065) | .852 |  |  |  |  |  |
Lung volume (L) | − 0.461 | 0.188 | 5.982 | 0.631 (0.436–0.913) | .014 |  |  |  |  |  |
Average Zeff value | 1.096 | 0.325 | 11.379 | 2.991 (1.583–5.653) | .001 | 1.293 | .347 | 13.895 | 3.644 (1.846–7.192) | .000 |
Average MCTN (HU) | 0.011 | 0.003 | 10.888 | 1.012 (1.005–1.018) | .001 |  |  |  |  |  |
Type of CTD | Â | Â | 2.398 | Â | .302 | Â | Â | Â | Â | Â |
 SCTD vs UCTD | 0.507 | 0.428 | 1.398 | 1.660 (0.717–3.843) | .237 |  |  |  |  |  |
 MCTD vs UCTD | 0.952 | 0.649 | 2.151 | 2.591 (0.726–9.246) | .142 |  |  |  |  |  |