Table 2:
Comparison of demographic and intraoperative data between the two groups
| Variables | Staple group (n = 29) | BiClamp® group (n = 66) | P-value |
|---|---|---|---|
| Age (years; mean ± SD, range) | 67.8 ± 13.2, 32–88 | 67.3 ± 9.7, 47–85 | 0.824a |
| Male | 17 (58.6%) | 43 (65.2%) | 0.351b |
| FEV1.0% | 71.3 ± 8.7 | 72.5 ± 10.5 | 0.569a |
| Resected lobe | |||
| Right upper lobe | 10 (34.5%) | 24 (36.4%) | 0.03c |
| Right middle lobe | 1 (3.4%) | 6 (9.1%) | |
| Right lower lobe | 7 (24.1%) | 12 (18.2%) | |
| Right upper and middle lobes | 0 (0.0%) | 3 (4.5%) | |
| Left upper lobe | 10 (34.5%) | 8 (12.1%) | |
| Left lower lobe | 1 (3.4%) | 13 (19.7%) | |
| Video-assisted thoracic surgery | 0 (0.0%) | 10 (15.2%) | 0.029b |
| Mediastinal lymph node dissection | 18 (62.1%) | 45 (68.2%) | 0.639b |
| Lobulation | |||
| Complete | 9 (31.0%) | 6 (9.1%) | 0.013b |
| Incomplete | 20 (69.0%) | 60 (90.9%) | |
| Adhesion | |||
| No adhesion or mild | 22 (75.9%) | 50 (75.8%) | 1.000b |
| Hard to all around the lung | 7 (24.1%) | 16 (24.2%) | |
| Partial resectiond | 4 (13.8%) | 5 (7.6%) | 0.448b |
| Bronchoplasty | 0 (0.0%) | 3 (4.5%) | 0.551b |
| Combined rib resection | 0 (0.0%) | 1 (1.5%) | 1.000b |
aStudent's unpaired t-test.
bFisher's exact test.
cChi-squared test.
dPartial resection for a frozen section to diagnose the tumour in the lobe to be resected or for other nodule(s) in the other lobe.