From: Tubeless uniportal thoracoscopic wedge resection with modified air leak test and chest tube drainage
Before propensity score matching | After propensity score matching | |||||
---|---|---|---|---|---|---|
Tubeless group (n = 55) | Drainage group (n = 211) | P-value | Tubeless group (n = 55) | Drainage group (n = 55) | P-value | |
Gender | 0.54 | 0.78 | ||||
Male | 23 (41.8%) | 92 (43.6%) | 23 (41.8%) | 24 (43.6%) | ||
Female | 32 (58.2%) | 109 (56.4%) | 32 (58.2%) | 31 (56.4%) | ||
Age | 44.8 ± 11.1 | 45.9 ± 10.8 | 0.36 | 44.8 ± 11.1 | 45.1 ± 10.5 | 0.84 |
Smoking history (no. of smokers) (%) | 17 (30.9%) | 83 (39.3%) | 0.19 | 17 (30.9%) | 19 (34.5%) | 0.45 |
FEV1 (L) | 2.49 ± 0.51 | 2.53 ± 0.69 | 0.42 | 2.49 ± 0.51 | 2.51 ± 0.41 | 0.73 |
FEV1, % of prediction | 115.3 ± 12.5 | 112.6 ± 15.5 | 0.57 | 115.3 ± 12.5 | 113.4 ± 13.7 | 0.76 |
Body mass index (kg/m2) (median and range) | 22.9 ± 2.7 | 23.6 ± 3.3 | 0.29 | 22.9 ± 2.7 | 23.2 ± 2.1 | 0.58 |
ASA status class | 0.83 | 1.00 | ||||
I | 49 (89.0%) | 192 (90.1%) | 49 (89.0%) | 49 (89.0%) | ||
II | 6 (11.0%) | 19 (9.9%) | 6 (11.0%) | 6 (11.0%) | ||
Comorbidity | 0.25 | 0.79 | ||||
Hypertension | 2 (3.6%) | 12 (5.6%) | 2 (3.6%) | 2 (3.6%) | ||
Diabetes mellitus | 2 (3.6%) | 3 (1.4%) | 2 (3.6%) | 1 (1.8%) | ||
Other | 1 (1.8%) | 4 (1.9%) | 1 (1.8%) | 2 (3.6%) | ||
Maximal lesion size (mm) | 9.8 ± 3.3 | 8.8 ± 3.9 | 0.21 | 9.8 ± 3.3 | 9.3 ± 3.7 | 0.62 |
Nodule depth (mm) | 6.3 ± 4.7 | 7.1 ± 5.0 | 0.32 | 6.3 ± 4.7 | 6.7 ± 4.5 | 0.43 |
Lesion location | 0.34 | 0.55 | ||||
Right upper lobe | 15 (27.2%) | 58 (27.4%) | 15 (27.2%) | 15 (27.3%) | ||
Right lower lobe | 14 (25.4%) | 48 (22.8%) | 14 (25.4%) | 12 (21.8%) | ||
Left upper lobe | 13 (23.6%) | 59 (30.0%) | 13 (23.6%) | 16 (29.1%) | ||
Left lower lobe | 13 (23.6%) | 46 (21.8%) | 13 (23.6%) | 12 (21.8%) |