Table 1 Patient characteristics before and after propensity score matching
From: One-stage VATS surgery for synchronous bilateral lung lesion: a safe and feasible procedure
Characteristics | Pre-match | Post-match | ||||
|---|---|---|---|---|---|---|
One-stage | Two-stage | p value | One-stage | Two-stage | p value | |
Gender | 0.9118 | 0.3655 | ||||
Female | 56 | 22 | 16 | 13 | ||
Male | 53 | 20 | 20 | 10 | ||
Age | 57.85 ± 8.21 | 55.55 ± 14.25 | 0.2169 | 56.42 ± 9.35 | 54.78 ± 16.55 | 0.669 |
Smoke* | 0.5568 | 0.5555 | ||||
Yes | 33 | 10 | 12 | 6 | ||
No | 76 | 32 | 24 | 17 | ||
Pulmonary function*** | ||||||
FEV1 (L) | 2.64 ± 0.57 | 2.54 ± 0.58 | 0.3601 | |||
FEV1/FVC | 76.96% ± 4.87% | 75.13% ± 5.37% | 0.0849 | |||
Comorbidity | 0.0257 | 0.8162 | ||||
Yes | 37 | 23 | 12 | 7 | ||
No | 72 | 19 | 24 | 16 | ||
Post-surgery days | 8.72 ± 3.36 | 8.4 ± 2.64 | 0.5765 | 8.67 ± 2.68 | 8.46 ± 2.92 | 0.7711 |
Chest tube days | 5.64 ± 2.42 | 5.56 ± 2.05 | 0.8452 | 5.47 ± 2.20 | 5.46 ± 1.95 | 0.9772 |
Surgery | 0.001106 | 0.798** | ||||
L + L | 4 | 7 | 3 | 3 | ||
SL + L | 43 | 23 | 17 | 9 | ||
SL + SL | 62 | 12 | 16 | 11 | ||
Lymph node dissection | 0.07427 | 0.9036* | ||||
Systematic | 67 | 34 | 27 | 16 | ||
Sampling | 11 | 2 | 3 | 2 | ||
None | 31 | 6 | 6 | 25 | ||
Pathology of lesions | 0.021 | |||||
Pre-cancerous | 7 | 8 | ||||
Cancer | 160 | 62 | ||||
Benign | 79 | 20 | ||||
Post-operative complications | 0.8669 | 0.3627 | ||||
Yes | 33 | 14 | 10 | 14 | ||
No | 76 | 28 | 26 | 9 | ||
Complication type | – | |||||
Hydrothorax (thoracentesis) | 15 | 6 | 4 | 1 | 0.3635* | |
Bronchoscopic sputum suction | 3 | 2 | 3 | 2 | ||
Other | 14 | 6 | 3 | 6 | ||