| Group A (n=43) | Group B (n=155) | P-value |
---|---|---|---|
Patient variables | |||
 Age (mean ± SD) | 63.5 ± 10.6 | 66.7 ± 12.4 | 0.124 |
 Sex | |||
  Male | 20 | 86 | 0.297 |
  Female | 23 | 69 |  |
 Lung function test | |||
  Normal | 11 | 21 | 0.187 |
  Obstructive | 7 | 24 |  |
  Restrictive | 4 | 24 |  |
  Non-available | 21 | 86 |  |
Lesion variables | |||
 Mean size of the target lesion (mm) (mean ± SD) | 12.0 ± 3.2 | 36.9 ± 18.0 | < 0.001 |
 Location of the lesions | |||
 Upper/Middle lobes | 25 | 93 | 0.826 |
 Lower lobes | 18 | 62 |  |
 Distance from pleura (mm) (mean ± SD) | 23.2 ± 19.9 | 16.4 ± 16.3 | 0.023 |
Procedure variables | |||
 Patient positions | |||
  Supine | 19 | 69 | 0.729 |
  Prone | 21 | 81 |  |
  Lateral decubitus | 3 | 5 |  |
 Number of sampling | 2.1 ± 1.1 | 2.1 ± 0.9 | 0.835 |
 Complications | |||
  Pneumothorax | 22 | 54 | 0.051 |
  Chest tube insertion | 0 | 3 | 1.000 |
  Pulmonary hemorrhage | 32 | 91 | 0.060 |
 Radiation dose (DLP) (mean ± SD) | 1178.6 ± 607.8 | 1059.2 ± 649.7 | 0.351 |
 Accuracy | 83.7% | 96.8% | 0.002 |