Table 2.
Stage IB (T2aN0M0) patients characteristics
|
Group I (VPI Alone) VPI Tumours <3cm (N=83) |
Group II (Size Alone) No VPI 3cm<Tumours<5cm (N=156) |
Group III (VPI+Size) VPI 3cm<Tumours<5cm (N=50) |
Total (N=289) |
p value* |
|
|---|---|---|---|---|---|
| Age | 0.61 | ||||
| Mean (SD) | 68.3 (9.13) | 67.3 (9.50) | 68.2 (8.15) | 67.7 (9.16) | |
| Median | 69.5 | 67.9 | 68.7 | 68.5 | |
| Range | (42.4–89.2) | (41.0–88.3) | (52.7–86.2) | (41.0–89.2) | |
| Sex | 0.026 | ||||
| Male | 35 (42.2%) | 84 (53.8%) | 33 (66%) | 152 (52.6%) | |
| Female | 48 (57.8%) | 72 (46.2%) | 17 (34%) | 137 (47.4%) | |
| Surgical type | 0.26 | ||||
| Lobectomy/pneumectomy/bilobectomy | 73 (88%) | 146 (93.6%) | 47 (94%) | 266 (92%) | |
| Segmentectomy/Wedge resection | 10 (12%) | 10 (6.4%) | 3 (6%) | 23 (8%) | |
| Histology | 0.002 | ||||
| Squamous | 8 (9.6%) | 49 (31.4%) | 15 (30%) | 72 (24.9%) | |
| Adenocarcinoma | 47 (56.6%) | 55 (35.3%) | 22 (44%) | 124 (42.9%) | |
| Other | 28 (33.7%) | 52 (33.3%) | 13 (26%) | 93 (32.2%) | |
| Operative mortality | 0.001 | ||||
| Missing | 0 (0%) | 1 (0%) | 0 (0%) | 1 | |
| Yes | 1 (1.2%) | 0 (0%) | 4 (8%) | 5 (1.7%) | |
| No | 82 (98.8%) | 155 (100%) | 46 (92%) | 283 (98.3%) |
*
Kruskal Wallis or Chi-Square test as appropriate
Percentages may not add to 100 due to rounding