Table 1.
Demographic features and univariate comparisons of the patients with pneumothorax after TTNB.
| All patients (n = 191) | Treated with tube thoracostomy (n = 69) | Treated with conservative strategies (n = 122) | p value | |
|---|---|---|---|---|
| Age (median, IQR) | 64 (57–70) | 63 (55–69) | 65 (57–70) | 0.298 |
| Male gender (n, %) | 157 (82.2%) | 60 (87.0%) | 97 (79.5%) | 0.196 |
| Chest pain (n, %) | 60 (31.4%) | 21 (30.4%) | 39 (32.0%) | 0.827 |
| Dyspnea (n, %) | 96 (50.3%) | 46 (66.7%) | 50 (41.0%) | <0.001 |
| Decreased breath sounds (n, %) | 96 (50.3%) | 56 (81.2%) | 40 (32.8%) | <0.001 |
| Hemoptysis (n, %) | 4 (2.1%) | 0 (0.0%) | 4 (3.3%) | 0.299 |
| Diabetes Mellitus (n, %) | 29 (15.2%) | 6 (8.7%) | 23 (18.9%) | 0.060 |
| Hypertension (n, %) | 59 (30.9%) | 15 (21.7%) | 44 (36.1%) | 0.040 |
| Coronary Artery Disease (n, %) | 31 (16.2%) | 8 (11.6%) | 23 (18.9%) | 0.191 |
| COPD (n, %) | 31 (16.2%) | 9 (13.0%) | 22 (18.0%) | 0.369 |
| Malignancy (n, %) | 80 (41.9%) | 35 (50.7%) | 45 (36.9%) | 0.063 |
| Previous tuberculosis (n, %) | 7 (3.7%) | 4 (5.8%) | 3 (2.5%) | 0.256 |
| Smoking (n, %) | 125 (65.4%) | 54 (78.3%) | 71 (58.2%) | 0.005 |
| Pack/year (median, IQR) | 20 (0–40) | 30 (10–40) | 20 (0–40) | 0.125 |
| Pulse,/min (median, IQR) | 82 (71–91) | 86 (76–95) | 78 (70–90) | 0.006 |
| Respiratory rate,/min (median, IQR) | 24 (21–27) | 24 (22–29) | 24 (21–26) | 0.269 |
| Systolic blood pressure, mmHg (median, IQR) | 138 (121–152) | 137 (120–145) | 141 (127–160) | 0.007 |
| O2 saturation, % (median, IQR) | 97 (94–98) | 96 (93–98) | 97 (96–99) | <0.001 |
TTNB: Transthoracic needle biopsy.
IQR: Interquartile range.
COPD: Chronic obstructive lung disease.