Table 1.
Clincopathological characteristics of patients undergoing VATS completed lobectomy and unplanned conversion
| VATS (n=607) | Conversion (n=75) | p-value | |
|---|---|---|---|
| Mean age in years | 67.8 (SD: 10.0) | 67.2 (SD: 9.9) | 0.74* |
| Male sex | 253 (41.7%) | 36 (48.0%) | 0.22** |
| Pathological tumour stage | 0.60** | ||
| T1 | 210 (42.0%) | 27 (45.0%) | |
| T2 | 258 (51.6%) | 27 (45.0%) | |
| T3 | 31 (6.2%) | 6 (8.0%) | |
| T4 | 1 (0.2%) | 0 (0%) | |
| Pathological nodal stage | 0.92** | ||
| N0 | 400 (80.0%) | 46 (76.7%) | |
| N1 | 67 (13.4%) | 9 (15.0%) | |
| N2 | 22 (4.4%) | 3 (5.0%) | |
| Nx | 11 (2.2%) | 2 (3.3%) | |
| Unknown staging | 42 (6.9%) | 6 (8.0%) | 0.74** |
| Benign disease | 40 (6.6%) | 5 (6.7%) | 0.98** |
| Lobectomy for metastatic disease | 25 (4.1%) | 4 (5.3%) | 0.63** |
| R1 resection | 14 (2.3%) | 3 (4.0%) | 0.21** |
VATS = video assisted thoracoscopic surgery; SD = standard deviation
*Student’s t-test; **chi-squared test