Table 1 Characteristics of patients
Characteristics | Total | No pneumothorax | Pneumothorax |
|---|---|---|---|
n = 916 | n = 886 | n = 30 | |
Age | |||
Median (IQR) | 72 (65–77) | 71 (65–77) | 71 (60–74) |
≥ 75 years | 325 (35.2%) | 313 (35.3%) | 11 (36.7%) |
Sex | |||
Male | 609 (66.5%) | 590 (66.6%) | 19 (63.3%) |
Female | 307 (33.5%) | 296 (33.4%) | 11 (36.7%) |
Smoking status | |||
Current | 230 (25.1%) | 222 (25.2%) | 8 (26.7%) |
Ex | 628 (68.6%) | 608 (68.5%) | 13 (43.3%) |
Never | 58 (6.3%) | 56 (6.3%) | 9 (30.0%) |
Pulmonary co-morbidities | |||
Emphysema* | 236 (25.8%) | 227 (25.6%) | 10 (33.3%) |
Fibrosis | 129 (14.1%) | 122 (13.9%) | 7 (23.3%) |
Post-surgery | 24 (2.6%) | 24 (2.7%) | 0 (0%) |
Other lung diseases** | 88 (9.6%) | 83 (9.4%) | 5 (16.7%) |
Steroid use | 35 (3.8%) | 35 (3.9%) | 0 (0%) |
Guide sheath used | |||
Large (outer diameter 2.55 mm) | 157 (17.1%) | 155 (17.4%) | 3 (10.0%) |
Small (outer diameter 1.95 mm) | 759 (82.9%) | 731 (82.5%) | 27 (90.0%) |