Differences between Group A (2005–2008) vs. Group B (2009–2012)
| Year | Surgery | DXT | W/S | T1 Surgery | Post-op N2 | Pre-op histology | DXT histology |
|---|---|---|---|---|---|---|---|
| Group A | 68 | 56 | 4 (6%) | 24 (35%) | 10 (15%) | 20 (29%) | 19 (34%) |
| Group B | 110 | 82 | 14 (13%) | 41 (37%) | 19 (17%) | 38 (36%) | 53 (65%) |
| Total | 178 | 138 | 18 (10%) | 65 (37%) | 29 (16%) | 58 (33%) | 72 (52%) |