Table 3. Comparison of diagnostic rates, incidence of complications and influencing factors between two groups (n[%]).
| Variables | R-EBUS group | CT-PNB group | ||||
|---|---|---|---|---|---|---|
| Diagnostic yield | Pneumothorax | Hemorrhage | Diagnostic yield | Pneumothorax | Hemorrhage | |
| Size of lesion | ||||||
| > 8mm and ≤ 10 mm | 0/1 (0%) | 0/1 (0%) | 0/1 (0%) | 1/1 (100%) | 1/1 (100%) | 0/1 (0%) |
| > 10mm and ≤ 20 mm | 16/32 (50.0%) | 1/32 (3.1%) | 2/32 (6.3%) | 30/36 (83.3%) | 8/36 (22.2%) | 3/36 (8.3%) |
| > 20mm and ≤ 30 mm | 36/47 (76.6%) | 0/47 (0%) | 2/47 (4.3%) | 37/43 (86.1%) | 5/43 (11.6%) | 3/43 (6.4%) |
| χ2 | 4.862 | - | 0.016 | 0.000 | 0.922 | 0.040 |
| P-value | 0.027* | - | 0.900 | 0.984 | 0.336 | 0.842 |
|
Distance between SPN and pleura |
||||||
| ≤ 20 mm | 9/20 (45.0%) | 0/20 (0%) | 1/20 (5%) | 21/24 (87.5%) | 0/24 (0%) | 0/24 (0%) |
| > 20 mm and ≤ 40 mm | 26/38 (68.4%) | 0/38 (0%) | 1/38 (2.6%) | 30/37 (81.1%) | 5/37 (13.5%) | 2/37 (5.4%) |
| > 40 mm | 17/22 (77.3%) | 1/22 (4.5%) | 2/22 (9.1%) | 17/21 (81.1%) | 9/21 (42.9%) | 4/21 (19.0%) |
| χ2 | 4.929 | 2.670 | 1.224 | 0.501 | 15.133 | 6.356 |
| P-value | 0.031* | 0.263 | 0.542 | 0.778 | 0.001* | 0.042α |
|
Relationship with great vessels |
||||||
| near | 17/26 (65.4%) | 0/26 (0%) | 3/26 (11.5%) | 20/23 (87.0%) | 5/23 (21.7%) | 5/23 (21.7%) |
| not near | 35/54 (64.8%) | 1/54 (1.9%) | 1/54 (1.9%) | 48/57 (84.2%) | 9/57 (16.7%) | 1/57 (1.8%) |
| χ2 | 0.040 | - | 1.727 | 0.001 | 0.095 | 6.773 |
| P-value | 0.841 | - | 0.189 | 0.972 | 0.757 | 0.009* |
| Location of the probe | ||||||
| within | 39/51 (76.5%) | 0/51 (0%) | 1/51 (2.0%) | - | ||
| invisible or adjacent to | 13/29 (44.8%) | 1/29 (3.4%) | 3/29 (10.3%) | - | ||
| χ2 | 6.805 | - | 1.017 | - | ||
| P-value | 0.009* | - | 0.313 | - | ||
*P < 0.01 αP < 0.05