Skip to main content

Table 4 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 surfaces crossed was more than 2

From: Propensity-score-matching analysis to compare efficacy and safety between 16-gauge and 18-gauge needle in ultrasound-guided biopsy for peripheral pulmonary lesions

Variable Overall cohort Propensity-score matched cohort
16-gauge (n = 65) 18-gauge (n = 217) P value 16-gauge (n = 63) 18-gauge (n = 63) P value
Age (years) 57.1 ± 15.9 57.8 ± 13.7 0.719 57.4 ± 16.0 59.1 ± 12.7 0.514
Gender
 Male/female 37/28 142/75 0.211 37/26 35/28 0.719
Patient position
 Supine/prone/lateral 25/30/10 70/107/40 0.626 23/10/30 20/10/33 0.839
Emphysema on CT 3 (4.6%) 17 (7.8%) 0.541 3 (4.8%) 4 (6.3%) 1.000
Location of pulmonary lesion (%)
 Left upper lobe 5 (7.7%) 49 (22.6%) 0.071 5 (7.9%) 11 (17.5%) 0.251
 Left lower lobe 20 (30.8%) 53 (24.4%) 20 (31.8%) 13 (20.6%)
 Right upper lobe 23 (35.3%) 57 (26.3%) 23 (36.5%) 18 (28.6%)
 Right middle lobe 7 (10.8%) 18 (8.3%) 6 (9.5%) 9 (14.3%)
 Right lower lobe 10 (15.4%) 40 (18.4%) 9 (14.3%) 12 (19.0%)
Diameter of lesion (cm) 5.0 ± 2.3 5.2 ± 2.6 0.475 5.0 ± 2.3 5.0 ± 2.7 0.968
 < 5/≥5 28/37 100/117 0.669 27/36 31/32 0.475
Proportion of necrosis in the lesion
 < 50%/≥50% 57/8 187/30 0.753 55/8 57/6 0.571
Success rate (%) 63 (96.9%) 202 (93.1%) 0.254 61 (96.8%) 59 (93.7%) 0.676
 Malignant 36 (55.4%) 122 (56.2%) 0.469 35 (55.6%) 32 (50.8%) 0.664
 Benign 27 (41.5%) 80 (36.9%) 26 (41.2%) 27 (42.9%)
 Non-diagnostic 2 (3.1%) 15 (6.9%) 2 (3.2%) 4 (6.3%)
Complication rate (%) 11 (16.9%) 22 (10.1%) 0.135 11 (17.5%) 5 (7.9%) 0.108
 Pneumothorax 1 (1.5%) 8 (3.7%) 0.690 1 (1.6%) 2 (3.2%) 1.000
  Major 1 (1.5%) 2 (0.9%) 0.546 1 (1.6%) 1 (1.6%) 1.000
  Minor 0 (0%) 6 (3.8%) 0.387 0 (0%) 1 (1.6%) 1.000
 Hemorrhage 6 (9.2%) 13 (6.0%) 0.398 6 (9.5%) 3 (4.8%) 1.000
  Major 0 (0%) 0 (0%) 0 (0%) 0 (0%)
  Minor 6 (9.2%) 13 (6.0%) 0.398 6 (9.5%) 3 (4.8%) 0.489
 Vasovagal reaction 4 (6.2%) 1 (0.4%) 0.012 4 (6.3%) 0 (0%) 0.127