Table 2 Univariate and multivariable analysis of baseline and CT features
Univariable analysis | Multivariable analysis | |||||
|---|---|---|---|---|---|---|
OR | 95% CI | P value | OR | 95% CI | P value | |
Age | 1.007 | 0.963–1.053 | 0.763 | |||
Sex | ||||||
Male | 1.0 | |||||
Female | 1.145 | 0.471–2.814 | 0.764 | |||
Smoke | ||||||
No | 1.0 | |||||
Yes | 1.347 | 0.528–3.440 | 0.533 | |||
Localization of multiple nodules | ||||||
No | 1.0 | |||||
Yes | 2.597 | 1.050–6.361 | 0.035 | 1.346 | 0.494–3.595 | 0.552 |
Location time (min) | 0.956 | 0.898–1.019 | 0.166 | |||
Depth of nodule (mm) | 0.910 | 0.850–0.973 | 0.006 | 0.942 | 0.875–1.014 | 0.113 |
Trans-fissure | ||||||
No | 1.0 | |||||
Yes | 4.896 | 1.489–13.939 | 0.005 | 2.168 | 0.613–6.773 | 0.199 |
Trans-emphysema | ||||||
No | 1.0 | |||||
Yes | 3.538 | 1.343–8.827 | 0.008 | 1.003 | 0.343–2.806 | 0.995 |
Diameter (mm) | 1.020 | 0.912–1.141 | 0.731 | |||
Insertion position | ||||||
Supine | 1.0 | |||||
Prone | 2.304 | 0.605–8.767 | 0.221 | |||
lateral | 1.686 | 0.445–6.396 | 0.442 | |||
Location | ||||||
Upper and middle | 1.0 | |||||
Lower | 0.860 | 0.356–2.077 | 0.737 | |||
Pneumothorax | ||||||
No | 1.0 | |||||
Yes | 10.326 | 3.414–44.684 | < 0.001 | 5.998 | 1.680–28.342 | 0.010 |
Pulmonary hemorrhage | ||||||
No | 1.0 | |||||
Yes | 1.552 | 0.909–2.497 | 0.083 | |||