Table 1.
Baseline Patient Demographics and Comorbidities by Operative Intervention
| Variable | Overall | Lobectomy | Segmentectomy | Wedge Resection | p |
|---|---|---|---|---|---|
| N | 5,749 | 4424 (77.0%) | 227 (3.9%) | 1098 (19.1%) | |
| Age, y | 69 (62, 75) | 69 (61, 75) | 70 (63, 75) | 71 (64, 76) | <0.01 |
| Age | <0.01 | ||||
| <65 | 1,899 (33.0%) | 1,529 (34.6%) | 68 (30.0%) | 302 (27.5%) | |
| 65–80 | 3,303 (57.5%) | 2,499 (56.5%) | 138 (60.8%) | 666 (60.7%) | |
| >80 | 547 (9.5%) | 396 (9.0%) | 21 (9.3%) | 130 (11.8%) | |
| Female | 3,100 (54.1%) | 2,381 (54.0%) | 107 (47.1%) | 612 (55.9%) | 0.05 |
| Race | 0.61 | ||||
| White | 4,446 (77.3%) | 3,409 (77.1%) | 175 (77.1%) | 862 (78.5%) | |
| Black | 308 (5.4%) | 236 (5.3%) | 12 (5.3%) | 60 (5.5%) | |
| Hispanic | 218 (3.8%) | 174 (3.9%) | 12 (5.3%) | 32 (2.9%) | |
| Other/unknown | 777 (13.5%) | 605 (13.7%) | 28 (12.3%) | 144 (13.1%) | |
| Body mass index (kg/m2) | 26.6 (23.5, 30.6) | 27 (23, 31) | 27 (24, 31) | 27 (23, 30) | 0.56 |
| Diabetes | 828 (14.4%) | 632 (14.3%) | 28 (12.3%) | 168 (15.3%) | 0.46 |
| Chronic obstructive pulmonary disease | 1,543 (26.8%) | 1,116 (25.2%) | 65 (28.6%) | 362 (33.0%) | <0.01 |
| History of CVA/TIA | 260 (4.5%) | 200 (4.5%) | 9 (4%) | 51 (4.6%) | 0.90 |
| Cardiac history | 470 (8.2%) | 351 (7.9%) | 20 (8.8%) | 99 (9%) | 0.47 |
| Shortness of breath | <0.01 | ||||
| No | 4,293 (74.7%) | 3,352 (75.8%) | 178 (78.4%) | 763 (69.5%) | |
| With exertion | 1,355 (23.6%) | 1,004 (22.7%) | 46 (20.3%) | 305 (27.8%) | |
| At rest | 101 (1.8%) | 68 (1.5%) | 3 (1.3%) | 30 (2.7%) | |
| Dependent functional status | 74 (1.3%) | 54 (1.2%) | 2 (0.9%) | 18 (1.6%) | 0.49 |
| Steroid treatment (30-day) | 215 (3.7%) | 143 (3.2%) | 13 (5.7%) | 59 (5.4%) | <0.01 |
| Smoking history (past year) | 1,986 (34.5%) | 1,595 (36.1%) | 70 (30.8%) | 321 (29.2%) | <0.01 |
| Albumin (g/dL) | 4.1 (3.8, 4.3) | 4 (4, 4) | 4 (4, 4) | 4 (4, 4) | 0.83 |
| Weight loss >10% in past 6 months | 172 (3%) | 138 (3.1%) | 4 (1.8%) | 30 (2.7%) | 0.48 |
| ASA class | 0.21 | ||||
| 1 or 2 | 1,255 (21.9%) | 986 (22.3%) | 51 (22.5%) | 218 (19.9%) | |
| 3 | 4,488 (78.1%) | 3,433 (77.7%) | 176 (77.5%) | 879 (80.1%) |
Categorical values are presented as frequency (percentage) and continuous variables are presented as median (interquartile range).
ASA = American Society of Anesthesiologists; CVA = cerebrovascular accident; TIA = transient ischemic attack.