Table 1.
Patient characteristics
| Demographic characteristic | Total (N = 99) | VATS (n = 56) | Open (n = 25) | Robot (n = 18) | P value |
|---|---|---|---|---|---|
| Age (y) | 67 (59-74) | 68 (62-74) | 65 (55-74) | 66 (62-74) | .40∗ |
| Gender | .18† | ||||
| Male | 43 (43.4) | 24 (42.9) | 14 (56.0) | 5 (27.8) | |
| Female | 56 (56.6) | 32 (57.1) | 11 (44.0) | 13 (72.2) | |
| Preoperative body mass index | 25.6 (22.9-30.6) | 24.9 (22.4-30.5) | 27.0 (23.4-33.0) | 26.2 (23.7-29.0) | .362∗ |
| Length of stay (d) | 4 (3-5) | 3 (3-4) | 4 (4-6) | 4 (3-5) | .002∗ |
| Length of surgical case (min) | 232 (188-308) | 206.5 (164.5-262) | 266 (227-343) | 317.5 (241-362) | <.001∗ |
| Disease indication | .012‡ | ||||
| Primary lung cancer | 81 (82.7) | 50 (89.3) | 17 (68.0) | 14 (82.4) | |
| Lung metastases | 14 (14.3) | 5 (8.9) | 8 (32.0) | 1 (5.9) | |
| Other | 3 (3.1) | 1 (1.8) | 0 (0.0) | 2 (11.8) | |
| Stage | .048‡ | ||||
| I | 59 (59.6) | 40 (71.4) | 9 (36.0) | 10 (55.6) | |
| II | 22 (22.2) | 10 (17.9) | 7 (28.0) | 5 (27.8) | |
| III | 3 (3.0) | 1 (1.8) | 2 (8.0) | 0 (0.0) | |
| N/A | 15 (15.2) | 5 (8.9) | 7 (28.0) | 3 (16.7) | |
| Tumor size (cm) | 2.5 (1.7-3.6) | 2.4 (1.5-3.6) | 3.5 (2.2-5.5) | 2.2 (1.8-2.9) | .032∗ |
Values are presented as median (interquartile range) or n (%). VATS, Video-assisted thoracoscopic surgery; N/A, not available.
∗
P value from Kruskal-Wallis test.
†
P value from χ2 test.
‡
P value from Fisher exact test.