Characteristics | non-SDM (n = 134) | SDM (n = 35) | P |
---|---|---|---|
Age(year) | 63 ± 14 | 59.49 ± 11.69 | 0.391 |
Sex | |||
 Female | 53 | 11 | 0.378 |
 Male | 81 | 24 |  |
CEA(ng/ml) | |||
  < 10 | 105 | 19 | 0.005 |
  ≥ 10 | 29 | 16 |  |
CA19-9(U/m) | |||
 < 30 | 107 | 21 | 0.02 |
  ≥ 30 | 27 | 14 |  |
 Tumor location |  |  | 0.012 |
 1 (high) | 42 | 15 |  |
 2(middle) | 74 | 10 |  |
 3 (low) | 18 | 10 |  |
 1vs.2 |  |  | 0.028 |
 1vs.3 |  |  | 0.371 |
 2vs.3 |  |  | 0.004 |
 Tumor length | 45.5 ± 22 | 52 ± 29 | 0.174 |
mrT | |||
 T1-2 | 39 | 6 | 0.154 |
 T3-4 | 95 | 29 |  |
mrN | |||
 N0 | 36 | 8 | 0.630 |
 N1 + 2 | 98 | 27 |  |
mrCRM | |||
  +  | 104 | 19 | 0.006 |
 - | 30 | 16 |  |
mrEMVI | |||
  +  | 105 | 20 | 0.011 |
 - | 29 | 15 |  |
Center | |||
 1 | 74 | 15 | 0.192 |
 2 | 60 | 20 |  |
Machine | |||
 1 | 70 | 15 | 0.323 |
 2 | 64 | 20 |  |