Table 2 Comparison of characteristics, efficacy and safety in patients undergoing ultrasound-guided lung biopsy between 16-gauge and 18-gauge core biopsy needle when number of pleural surface crossed was 1
Variable | Overall cohort | Propensity-score matched cohort | ||||
|---|---|---|---|---|---|---|
16-gauge (n = 37) | 18-gauge (n = 56) | P value | 16-gauge (n = 36) | 18-gauge (n = 36) | P value | |
Age (years) | 59.0 ± 13.8 | 59.0 ± 13.3 | 0.975 | 58.5 ± 13.7 | 59.2 ± 12.6 | 0.823 |
Gender | ||||||
Male/female | 25/12 | 33/23 | 0.400 | 24/12 | 21/15 | 0.465 |
Patient position | ||||||
Supine/prone/lateral | 16/13/8 | 27/20/9 | 0.780 | 16/7/13 | 14/8/14 | 0.888 |
Emphysema on CT | 0 (0%) | 4 (7.1%) | 0.254 | 0 (0%) | 0 (0%) | – |
Location of pulmonary lesion (%) | ||||||
Left upper lobe | 10 (27.1%) | 16 (28.6%) | 0.731 | 9 (25.0%) | 11 (30.6%) | 0.674 |
Left lower lobe | 9 (24.3%) | 10 (17.9%) | 9 (25.0%) | 6 (16.7%) | ||
Right upper lobe | 7 (18.9%) | 14 (25.0%) | 7 (19.4%) | 7 (19.4%) | ||
Right middle lobe | 2 (5.4%) | 6 (10.6%) | 2 (5.6%) | 5 (13.9%) | ||
Right lower lobe | 9 (24.3%) | 10 (17.9%) | 9 (25.0%) | 7 (19.4%) | ||
Diameter of lesion (cm) | 4.3 ± 2.2 | 4.7 ± 2.4 | 0.447 | 4.3 ± 2.3 | 4.4 ± 2.4 | 0.841 |
< 5/≥5 | 21/16 | 26/30 | 0.330 | 20/16 | 18/18 | 0.637 |
Proportion of necrosis in the lesion | ||||||
< 50%/≥50% | 35/2 | 52/4 | 1.000 | 34/2 | 35/1 | 1.000 |
Success rate (%) | 36 (97.3%) | 54 (96.4%) | 1.000 | 35 (97.2%) | 34 (94.4%) | 1.000 |
Malignant | 23 (62.2%) | 28 (50.0%) | 0.514 | 13 (36.1%) | 13 (36.1%) | 0.837 |
Benign | 13 (35.1%) | 26 (46.4%) | 22 (61.1%) | 21 (58.3%) | ||
Non-diagnostic | 1 (2.7%) | 2 (3.6%) | 1 (2.8%) | 2 (5.6%) | ||
Complication rate (%) | 1 (2.7%) | 8 (14.3%) | 0.081 | 1 (2.8%) | 6 (16.7%) | 0.112 |
Pneumothorax | 0 (0%) | 3 (5.4%) | 0.406 | 0 (0%) | 2 (5.6%) | 0.473 |
Major | 0 (0%) | 0 (0%) | – | 0 (0%) | 0 (0%) | – |
Minor | 0 (0%) | 3 (5.4%) | 0.406 | 0 (0%) | 2 (5.6%) | 0.473 |
Hemorrhage | 1 (2.7%) | 5 (8.9%) | 0.397 | 1 (2.8%) | 4 (11.1%) | 0.354 |
Major | 0 (0%) | 0 (0%) | – | 0 (0%) | 0 (0%) | – |
Minor | 1 (2.7%) | 5 (8.9%) | 0.397 | 1 (2.8%) | 4 (11.1%) | 0.354 |
Vasovagal reaction | 0 (0%) | 0 (0%) | – | 0 (0%) | 0 (0%) | – |