Table 1.
Baseline patient characteristics
| Characteristic | Total n = 73 |
|---|---|
| Age | |
| Median, IQR | 78, 2 |
| Min—max | 75–84 |
| Sex, n (%) | |
| Male | 40 (54.8%) |
| Female | 33 (45.2%) |
| Stage, n (%) | |
| IA2 | 16 (21.9%) |
| IA3 | 13 (17.8%) |
| IB | 9 (12.3%) |
| IIA | 4 (5.5%) |
| IIB | 16 (21.9%) |
| IIIA | 8 11.0%) |
| IIIB | 5 (6.8%) |
| IVA | 2 (2.7%) |
| Histology type, n (%) | |
| Adenocarcinoma | 44 (60.3%) |
| Squamous cell | 23 (31.5%) |
| Adenosquamous | 3 (4.1%) |
| Small cell | 2 (2.7%) |
| Metastasis | 1 (1.4%) |
| Adeconarcinoma type, n (%) | |
| Acinar | 18 (40.9%) |
| Papillar | 7 (15.9%) |
| Mucinous | 5 (11.4%) |
| Micopapillary | 5 (11.4%) |
| Nonspecified | 4 (9.1%) |
| Lepidic | 3 (6.8%) |
| MIS | 1 (2.3%) |
| Nonmucinous | 1 (2.3%) |
| pN, n (%) | |
| N0 | 47 (67.1%) |
| N1 | 14 (20.0%) |
| N2 | 9 (12.9%) |
| Growth pattern, n (%) | |
| Peripheral | 63 (86.3%) |
| Central | 10 (13.7%) |
| Type of lung resection, n (%) | |
| Lobectomy | 50 (68.5%) |
| Segmentectomy | 14 (19.2%) |
| Pneumonectomy | 4 (5.5%) |
| Bilobectomy | 3 (4.1%) |
| Wedge | 2 (2.7%) |
| Surgical access, n (%) | |
| VATS | 38 (52.1%) |
| Thoracotomy | 35 (47.9%) |
| Bronchial resection, n (%) | |
| Nonsleeve | 67 (91.7%) |
| Sleeve | 6 (8.3%) |
| Resection margin, n (%) | |
| R0 | 68 (93%) |
| R1 | 3 (4%) |
| R2 | 2 (3%) |
n number of patients in each group, pN pathologic N, VATS Video-assisted thoracic surgery