Table 2. Procedural characteristics, diagnostic performance, and complications.
|
Variable |
CT-guided (n = 123) |
US-guided (n = 74) |
P value |
|
Procedural characteristics | |||
|
Pleural puncture number |
1 (1–1) |
1 (1–3) |
<0.001 |
|
Traversed lung distance (mm) |
3.5±7.8 |
0 |
<0.001 |
|
Diagnostic performance | |||
|
Diagnostic adequacy, n (%) |
115 (93.5) |
66 (89.2) |
0.281 |
|
Diagnostic accuracy among adequate biopsies, n (%) |
107/115 (93.0) |
64/66 (97.0) |
0.331 |
|
Overall diagnostic accuracy, n (%) |
107/123 (87.0) |
64/74 (86.5) |
0.925 |
|
Complications | |||
|
Pneumothorax, n (%) |
34 (27.6) |
0 |
<0.001 |
|
Chest tube placement, n (%) |
7 (5.7) |
0 |
0.047 |
|
Hemoptysis, n (%) |
2 (1.6) |
2 (2.7) |
0.629 |
Diagnostic accuracy among adequate biopsies was calculated after exclusion of non-diagnostic specimens. Overall diagnostic accuracy was calculated by considering non-diagnostic biopsy results as clinical failures
CT: computed tomography, US: ultrasound