Variable | TME (n = 134) number (%) | LE (n = 39) number (%) | P value |
---|---|---|---|
Maximal diameter of tumor (cm) | 2.55 ± 0.75 | 2.75 ± 0.98 | 0.193 |
Tumor distance from anal verge (cm) | 5.93 ± 1.83 | 4.59 ± 1.92 | < 0.001 |
Resection margin (cm) | 1.54 ± 0.98 | 0.14 ± 0.25 | < 0.001 |
Lymph nodes yield* | 16.5 [10.0-26.3] | - | - |
Differentiation | Â | Â | 0.427 |
 Well | 31 (23.1) | 13 (33.3) |  |
 Moderate | 98 (73.1) | 25 (64.1) |  |
 Poor | 5 (3.7) | 1 (2.6) |  |
Lymphovascular invasion | 11 (8.2) | 7 (17.9) | 0.131 |
Perineural invasion | 4 (3.0) | 0 (0) | 0.576 |
T stage | Â | Â | < 0.001 |
 T1 | 48 (35.8) | 31 (79.5) |  |
 T2 | 86 (64.2) | 8 (20.5) |  |
N stage | Â | Â | - |
 N0 | 112 (83.6) | - |  |
 N1 | 19 (14.2) | - |  |
 N2 | 3 (2.2) | - |  |