Table 1.
Demographics of patients undergoing video-assisted thoracoscopic surgery (VATS) versus open lobectomy
| Variable | VATS (n=71) | Open (n=59) | p-value |
|---|---|---|---|
| Age (years) | 68 [61-74] | 68 [58-76] | 0.53 |
| Sex (female) | 43 (60.6) | 26 (44.1) | 0.06 |
| Race (white) | 61 (85.9) | 50 (84.8) | 0.85 |
| Past/current smoker | 62 (87.3) | 49 (83.1) | 0.50 |
| Pack Years smoking | 33 [15-47] | 40 [20-60] | 0.14 |
| FEV1 | 86 [69-96] | 88 [71-96] | 0.37 |
| DLCO | 74 [64-87] | 88 [71-96] | 0.62 |
| Preoperative Creatinine | 0.80 [0.70-1.00] | 0.90 [0.80-1.00] | 0.13 |
| Preoperative Hemoglobin | 13.9 [13.1-14.4] | 12.8 [11.8-14.3] | 0.01 |
| Congestive Heart Failure | 0 (0) | 1 (1.69) | 0.45 |
| Coronary Artery Disease | 16 (22.5) | 10 (17.0) | 0.43 |
| Peripheral Arterial Disease | 1 (1.41) | 5 (8.47) | 0.09 |
| Diabetes | 18 (25.4) | 7 (11.9) | 0.05 |
| Dialysis | 0 (0) | 0 (0) | 1.00 |
| Preoperative radiation | 0 (0) | 9 (15.3) | <0.01 |
| Preoperative chemotherapy | 0 (0) | 13 (22.0) | <0.01 |
| Early Stage Cancer (T1/T2, N0, M0) | 61 (85.9) | 26 (44.1) | <0.01 |
| Clinical Stage | <0.01 | ||
| IA | 52 (73.2) | 23 (39.0) | |
| IB/IIA1 | 9 (12.7) | 3 (5.08) | |
| IIB | 9 (12.7) | 11 (18.6) | |
| III | 1 (1.41) | 18 (30.5) | |
| IV2 | 0 (0) | 4 (6.78) | |
| Pathologic Stage | <0. 01 | ||
| 0 (PCR) | 0 ( 0) | 4 (6.78) | |
| IA | 43 (60.6) | 21 (35.6) | |
| IB/II1 | 24 (33.8) | 24 (40.7) | |
| III | 3 (4.23) | 10 (17.0) | |
| IV | 1 (1.41) | 0 (0) |
1
Stages combined due to reporting changes from 7th to 8th edition staging systems
2
Patients with treated, oligometastatic diseaseFEV1, forced expiratory volume; DLCO, diffusing capacity of the lung for carbon monoxide; PCR, pathologic complete response
Results reported as median, interquartile range for continuous variables and n (percent) for categorical variables