| ORC (69) | LRC (63) | ORC vs. LRC with PAS | ||||
---|---|---|---|---|---|---|---|
PAS | Â | PAS | Â | Â | |||
No | Yes | P value | No | Yes | P value | P value | |
T stage | Â | Â | 0.517# | Â | Â | 0.239# | 0.360# |
 T1, Tis | 18 | 5 |  | 23 | 7 |  |  |
 T2 | 15 | 5 |  | 17 | 2 |  |  |
 T3 | 13 | 5 |  | 9 | 1 |  |  |
 T4 | 4 | 4 |  | 2 | 2 |  |  |
N stage | Â | Â | 0.389# | Â | Â | 0.400# | 0.555# |
 N0 | 44 | 16 |  | 46 | 10 |  |  |
 N1 | 3 | 0 |  | 2 | 1 |  |  |
 N2 | 3 | 3 |  | 3 | 1 |  |  |
 N3 | 0 | 0 |  | 0 | 0 |  |  |
Tumor grade (WHO 2004) | Â | Â | 0.446# | Â | Â | 0.538# | 0.620# |
 Low grade | 18 | 5 |  | 14 | 5 |  |  |
 High grade | 32 | 14 |  | 37 | 7 |  |  |
Positive surgical margin (PSM) | 4 | 2 | 1.000# | 2 | 1 | 1.000# | 1.000# |
Lymph node dissection (LND) | 10.6 ± 3.9 | 11.9 ± 4.6 | 0.279* | 11.0 ± 2.8 | 11.9 ± 3.9 | 0.473* | 0.777* |