Patient characteristics (N = 201) according to surgical approach
| Characteristic | No. (%)* of patients treated with 2p-VATS | No. (%)* of patients treated with 3p-VATS | No. (%)* of patients treated with Sx-VATS | p value |
|---|---|---|---|---|
| Total | 97 (48.3) | 87 (43.2) | 17 (8.5) | |
| Age, yr, mean ± IQR | 68 ± 10.0 | 69 ± 9.1 | 67 ± 11.5 | 0.82 |
| Gender | 0.30 | |||
| Male | 42 (43.3) | 38 (43.7) | 4 (23.5) | |
| Female | 52 (56.7) | 49 (56.3) | 13 (76.5) | |
| Charlson Comorbidity Index, mean ± IQR | 5.2 ± 1.9 | 5.6 ± 2.1 | 4.9 ± 1.4 | 0.34 |
| FEV1, mean ± IQR | 82.9 ± 29.8 | 84.5 ± 17.5 | 82.1 ± 24.6 | 0.12 |
| DLCO, mean ± IQR | 76.9 ± 27.5 | 75.7 ± 16.8 | 64.6 ± 17.7 | 0.73 |
| Active smoking, mean ± IQR | 23 ± 21.9 | 27 ± 30.0 | 6 ± 33.3 | 0.29 |
| BMI, mean ± IQR | 27.7 ± 5.6 | 27.4 ± 4.6 | 26.5 ± 4.2 | 0.32 |
| Histology | 0.39 | |||
| Adenocarcinoma | 58 (59.8) | 52 (59.8) | 13 (76.5) | |
| Squamous cell carcinoma | 11 (11.3) | 17 (19.5) | 1 (5.9) | |
| Other | 28 (28.9) | 18 (20.7) | 3 (17.6) | |
| Pathological staging | 0.50 | |||
| I | 72 (74.2) | 65 (74.7) | 15 (88.2) | |
| II | 18 (18.6) | 15 (17.2) | 0 (0.0) | |
| IIIa | 7 (7.2) | 7 (8.0) | 2 (11.8) | |
| Surgery type | 0.35 | |||
| Lobectomy | 86 (88.7) | 83 (95.4) | 15 (88.2) | |
| Segmentectomy | 11 (11.3) | 4 (4.6) | 2 (11.8) |
2p-, 3p-, Sx-VATS = 2-port, 3-port, or subxiphoid video-assisted thoracic surgery; BMI = body mass Index; DLCO = diffusing capacity for carbon monoxide; FEV1 = forced expiratory volume in 1 second; IQR = interquartile range.
↵* Unless otherwise specified.