Table 4.
SM status stratified by tumour stage in low- and high-volume surgeons.
| Variable, n (%) | Subpopulation (*) | SM status (**) |
||
|---|---|---|---|---|
| Negative | Focal PSM | Non-focal PSM | ||
| Low-volume surgeons | ||||
| Pathological tumour stage | ||||
| pT2 | 190 (76.6) | 141 (74.2) | 39 (20.5) | 10 (5.3) |
| pT3a | 30 (12.1) | 12 (40) | 11 (36.7) | 7 (23.3) |
| pT3b | 28 (11.3) | 15 (53.6) | 7 (25) | 6 (21.4) |
| Total | 248 | 168 (67.7) | 57 (23) | 23 (9.3) |
| High-volume surgeon | ||||
| Pathological tumour stage | ||||
| pT2 | 382 (78.9) | 312 (81.7) | 52 (13.6) | 18 (4.7) |
| pT3a | 47 (9.7) | 31 (66) | 9 (19.1) | 7 (14.9) |
| pT3b | 55 (11.4) | 29 (52.7) | 15 (27.3) | 11 (20) |
| Total | 484 | 372 (76.9) | 76 (15.7) | 36 (7.4) |
Legend: percentages are relative to columns (*) or rows (**).