Table 1. Clinicopathological characteristics of the study population.
| Characteristic | Full cohort (n=274) | |||
|---|---|---|---|---|
| Tri-VATS (n=181) | Uni-VATS (n=41) | RATS (n=52) | P value | |
| Age, mediate (min, max), years | 54.0 (15.0, 73.0) | 52.0 (26.0, 71.0) | 52.0 (22.0, 76.0) | 0.693 |
| Diameter, mediate (min, max), cm | 2.8 (1.0, 11.7) | 2.4 (0.8, 7.2) | 2.6 (0.8, 8.7) | 0.476 |
| Gender, n (%) | 0.744 | |||
| Male | 88 (48.6) | 18 (43.9) | 27 (51.9) | |
| Female | 93 (51.4) | 23 (56.1) | 25 (48.1) | |
| Location, n (%) | <0.001 | |||
| Anterior | 144 (79.6) | 22 (53.7) | 42 (80.8) | |
| Middle | 0 (0.0) | 3 (7.3) | 2 (3.8) | |
| Posterior | 37 (20.4) | 16 (39.0) | 8 (15.4) | |
| Myasthenia, n (%) | 0.023 | |||
| Yes | 2 (1.1) | 0 (0.0) | 4 (7.7) | |
| No | 179 (98.9) | 41 (100.0) | 48 (92.3) | |
| Pathologic type, n (%) | 0.164 | |||
| Thymoma | 53 (29.3) | 4 (9.8) | 14 (27.0) | |
| Benign cyst | 74 (40.9) | 21 (51.2) | 26 (50.0) | |
| Neurogenic tumor | 21 (11.6) | 7 (17.1) | 4 (7.7) | |
| Thymic hyperplasia | 8 (4.4) | 0 (0.0) | 2 (3.8) | |
| Teratoma | 12 (6.6) | 2 (4.8) | 2 (3.8) | |
| Other | 13 (7.2) | 7 (17.1) | 4 (7.7) | |
CM, centimeter; Max, maximum; Min, minimum; RATS, robot-assisted thoracic surgery; SD, standard deviation; Tri-VATS, triportal video-assisted thoracoscopic, Uni-VATS, uniportal video-assisted thoracoscopic.