Table 1.
Patient and hospital characteristics of patients who had lobectomy for lung cancer using VATS or RATS in the National Inpatient Sample database from October 2015 through December 2018
| Patient and hospital characteristics | All (N = 39,690) | VATS (n = 28,850; 72.7%) | RATS (n = 10,840; 27.3%) | P value |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Mean age ± SEM, y | 67.62 ± 0.10 | 67.50 ± 0.12 | 67.97 ± .18 | .14 |
| Female sex | 22,810 (57.50) | 16,675 (57.84) | 6135 (56.60) | .30 |
| Insurance: | ||||
| Private | 10,955 (27.63) | 8050 (27.93) | 2905 (26.85) | .14 |
| Medicare | 25,375 (64.01) | 18,415 (63.89) | 6960 (64.33) | |
| Medicaid | 2275 (5.74) | 1670 (5.79) | 605 (5.59) | |
| Race | ||||
| White | 31,605 (79.63) | 23,045 (79.88) | 8560 (78.97) | <.01 |
| Black | 3000 (7.56) | 2135 (7.40) | 865 (7.98) | |
| Hispanic | 1595 (4.02) | 965 (3.34) | 630 (5.81) | |
| Missing | 1165 (2.94) | 980 (3.40) | 185 (1.71) | |
| Other | 2325 (5.86) | 1725 (5.98) | 600 (5.54) | |
| Comorbidities | ||||
| Diabetes | 7780 (19.60) | 5525 (19.15) | 2255 (2.80) | .13 |
| Hypertension | 24,740 (62.33) | 17,635 (61.13) | 7105 (65.54) | <.01 |
| Congestive heart failure | † | † | 0 (.00) | ∗ |
| Chronic pulmonary disease | 17,640 (44.44) | 12,570 (43.57) | 5070 (46.77) | .02 |
| Renal failure | 215 (0.54) | 160 (0.55) | 55 (.51) | .79 |
| Cerebrovascular disease | 345 (0.87) | 260 (0.90) | 85 (.78) | .62 |
| Peripheral vascular disease | 3465 (8.73) | 2475 (8.58) | 990 (9.13) | .47 |
| Obesity | 4990 (12.57) | 3455 (11.98) | 1535 (14.16) | .02 |
| History of smoking | 26,270 (66.18) | 18,925 (65.59) | 7345 (67.75) | .08 |
| Hospital characteristics | ||||
| Hospital Bed Size | ||||
| Large | 27,270 (68.71) | 20,080 (69.60) | 7190 (66.33) | .37 |
| Medium | 8870 (22.35) | 6280 (21.77) | 2590 (23.89) | |
| Small | 3550 (8.94) | 2490 (8.63) | 1060 (9.78) | |
| Location and teaching status | ||||
| Urban teaching | 35,335 (89.03) | 25,640 (88.87) | 9695 (89.44) | .59 |
| Urban nonteaching | 3575 (9.01) | 2600 (9.01) | 975 (8.99) | |
| Rural | 780 (1.97) | 610 (2.11) | 170 (1.57) | |
| Region of the country | ||||
| South | 14,490 (36.51) | 10,315 (35.75) | 4175 (38.51) | <.01 |
| Midwest | 7795 (19.64) | 5100 (17.68) | 2695 (24.86) | |
| West | 6575 (16.57) | 5080 (17.61) | 1495 (13.79) | |
| Northeast | 10,830 (27.29) | 8355 (28.96) | 2475 (22.83) | |
Data are presented as n (%) except where otherwise noted. VATS, Video-assisted thoracoscopic surgery; RATS, robotic-assisted thoracoscopic surgery; SEM, standard error of the mean.
∗
The Rao-Scott χ2 test does not provide a P value when one of the cells has a value of 0.
†
The HCUP National Inpatient Sample does not permit reporting of observations smaller than 10 due to privacy concerns.