Table 2.
Univariate Analysis of Operative Outcomes
| Operative Outcome | All | Underweight | Normal | Overweight | Obese I | Obese II | Obese III | p Value |
|---|---|---|---|---|---|---|---|---|
| Primary procedure | 0.0019 | |||||||
| Segmentectomy | 2,030 (4.9) | 83 (6.7) | 648 (4.7) | 690 (4.7) | 400 (5.3) | 133 (5.0) | 76 (5.1) | |
| Lobectomy | 34,779 (83.9) | 1,018 (81.6) | 11,661 (84.0) | 12,308 (83.9) | 6,286 (83.8) | 2,269 (85.4) | 1,237 (83.5) | . |
| Sleeve lobectomy | 745 (1.8) | 16 (1.3) | 239 (1.7) | 272 (1.9) | 129 (1.7) | 53 (2.0) | 36 (2.4) | . |
| Bilobectomy | 1,632 (3.9) | 59 (4.7) | 568 (4.1) | 544 (3.7) | 305 (4.1) | 95 (3.6) | 61 (4.1) | . |
| Pneumonectomy | 2,244 (5.4) | 72 (5.8) | 760 (5.5) | 848 (5.8) | 385 (5.1) | 107 (4.0) | 72 (4.9) | . |
| Procedure time, min | 198.5 ± 136.1 | 200.3 ± 160.5 | 195.4 ± 139.7 | 198.1 ± 130.4 | 201.5 ± 132.3 | 204.8 ± 145.3 | 202.8 ± 135.2 | <0.0001 |
| Total intensive care unit days | 2.0 (4.6) | 2.8 (6.7) | 2.2 (5.4) | 1.9 (4.0) | 1.9 (4.0) | 1.9 (4.2) | 2.2 (3.9) | <0.0001 |
| Postoperative length of stay, days | 6.2 ± 7.1 | 8.0 ± 10.0 | 6.6 ± 7.9 | 5.9 ± 6.3 | 5.9 ± 7.1 | 5.8 ± 5.6 | 6.2 ± 5.1 | <0.0001 |
| Pulmonary complications | 4,774 (11.5) | 211 (16.9) | 1,684 (12.1) | 1,552 (10.6) | 828 (11.0) | 294 (11.1) | 205 (13.8) | <0.0001 |
| Cardiovascular complications | 6,087 (14.7) | 174 (13.9) | 1,998 (14.4) | 2,203 (15.0) | 1,108 (14.8) | 392 (14.7) | 212 (14.3) | 0.6934 |
| Infectious complications | 1,012 (2.4) | 48 (3.8) | 380 (2.7) | 318 (2.2) | 169 (2.3) | 57 (2.1) | 40 (2.7) | 0.0004 |
| Other complications | 2,876 (6.9) | 93 (7.5) | 1,012 (7.3) | 990 (6.8) | 494 (6.6) | 180 (6.8) | 107 (7.2) | 0.3297 |
| Surgical complications | 8,994 (21.7) | 446 (35.7) | 3,701 (26.7) | 2,916 (19.9) | 1,296 (17.3) | 398 (15.0) | 237 (16.0) | <0.0001 |
| Operative mortality | 698 (1.7) | 23 (1.8) | 240 (1.7) | 246 (1.7) | 121 (1.6) | 42 (1.6) | 26 (1.8) | 0.9759 |
| Any major complication | 10,161 (24.5) | 333 (26.7) | 3,437 (24.8) | 3,548 (24.2) | 1,813 (24.2) | 646 (24.3) | 384 (25.9) | 0.2551 |
| Any postoperative event | 16,028 (38.7) | 622 (49.8) | 5,763 (41.5) | 5,470 (37.3) | 2,700 (36.0) | 917 (34.5) | 556 (37.5) | <0.0001 |
Values are n (%) or mean ± SD.
SD = standard deviation.