Table 5. Multivariate logistic regression analysis (no and minor complications SIR0-2 vs. major complications SIR3-4) of selected variables in the study group (n = 311).
| Variable | Comparator | OR | OR Upper CI | OR Lower CI | p value |
|---|---|---|---|---|---|
|
Emphysema (ref = no) |
yes | 8.8 | 2.9 | 26.6 | <0.001 |
| Lesion size | (per cm) | 0.8 | 0.6 | 1.1 | 0.31 |
| Lesion-to-pleura distance | (per cm) | 1.9 | 1.4 | 2.6 | <0.001 |
| Number of procedural CT images | (per 10 images) | 1.0 | 0.7 | 1.5 | 0.76 |
| Procedure time length | (per 5 minutes) | 1.4 | 0.5 | 3.7 | 0.50 |
|
Number of pleural passes (ref = 1x) |
2x | 0.2 | 0.05 | 0.9 | 0.04 |
| 3x | 0.3 | 0.07 | 1.6 | 0.17 | |
| 4-5x | 0.2 | 0.03 | 1.5 | 0.12 | |
|
Fissure puncture (ref = no) |
yes | 9.4 | 1.5 | 57.0 | 0.01 |
|
Needle-to-blood vessel angle (ref = no angle) |
angle≤90° | 2.6 | 0.3 | 18.6 | 0.33 |