Table 3.
Propensity-Matched Analysis of Video-Assisted Thoracoscopic Versus Robotic Lobectomy: Patient Baseline Characteristics
| Patient Baseline Characteristics |
VATS (n = 1,938) |
Robotic (n = 1,938) |
SD (%) |
|---|---|---|---|
| Age, years, median (IQR) | 69 (62–74) | 68 (61–74) | 1.1 |
| Female | 1,079 (55.7) | 1,099 (56.7) | 0.9 |
| Race | |||
| White | 1,721 (88.8) | 1,687 (87) | 3.4 |
| Black | 168 (8.7) | 184 (9.5) | 2.6 |
| Other | 49 (2.5) | 67 (3.5) | 2.0 |
| Charlson comorbidity score | |||
| 0 | 863 (44.5) | 889 (45.9) | 2.2 |
| 1 | 811 (41.8) | 762 (39.3) | 2.3 |
| 2+ | 264 (13.6) | 287 (14.8) | 0.3 |
| Education above median | 1,131 (58.4) | 1,093 (56.4) | 1.8 |
| Income above median | 1,334 (68.8) | 1,311 (67.6) | 1.0 |
| Facility | |||
| Academic/research program | 908 (46.9) | 887 (45.8) | 6.0 |
| Community cancer program | 86 (4.4) | 66 (3.4) | 0.9 |
| Comprehensive community cancer program | 944 (48.7) | 985 (50.8) | 5.1 |
| Insurance | |||
| Private | 691 (35.9) | 704 (36.7) | 4.2 |
| Medicare/Medicaid | 1,199 (62.3) | 1,161 (60.6) | 2.6 |
| Uninsured | 36 (1.9) | 51 (2.7) | 4.4 |
| Clinical T status | |||
| T1 | 1,445 (74.6) | 1,401 (72.3) | 7.3 |
| T2 | 493 (25.4) | 537 (27.7) | 7.3 |
| Tumor location | |||
| Left lower lobe | 309 (15.9) | 309 (15.9) | 0.4 |
| Left upper lobe | 475 (24.5) | 443 (22.9) | 0.5 |
| Right lower lobe | 377 (19.5) | 375 (19.3) | 0.9 |
| Right middle lobe | 109 (5.6) | 130 (6.7) | 3.1 |
| Right upper lobe | 641 (33.1) | 653 (33.7) | 3.3 |
| Unknown | 27 (1.4) | 28 (1.4) | 1.7 |
| Induction therapy | 14 (0.7) | 14 (0.7) | 0.6 |
Values are n (%) unless otherwise indicated.
IQR = interquartile range; SD = standardized difference; VATS = video-assisted thoracoscopic surgery.