Table 3.
Pathologic outcomes of 211 colorectal cancer cases
| Pathologic outcome | LAP | OPEN | P value | |
| n = 101 | n = 110 | |||
| Number of lymph nodes dissected | < 12 | 25 | 38 | 0.134 |
| ≥ 12 | 76 | 72 | ||
| Lymph node status | + | 67 | 74 | 1.000 |
| - | 34 | 36 | ||
| Margin | R1 | 2 | 3 | 0.779 |
| R0 | 99 | 107 | ||
| pT stage | T4a | 96 | 89 | 0.021 |
| T4b | 5 | 21 | ||
| pN stage | N0 | 36 | 35 | 0.841 |
| N1 | 28 | 32 | ||
| N2 | 37 | 43 | ||
| pTNM stage | IIB + IIC | 34 | 35 | 0.282 |
| IIIB | 30 | 24 | ||
| IIIC | 37 | 51 | ||
| Dukes | B | 34 | 35 | 0.883 |
| C | 67 | 75 | ||
| Histological subtype | Adenocarcinoma | 87 | 94 | 1.000 |
| Myxoadenocarcinoma | 14 | 16 | ||
| Differentiation | Poor | 20 | 25 | 0.719 |
| Median/high | 81 | 85 | ||
| HER2 | -/+ | 86 | 96 | 0.871 |
| ++ | 10 | 10 | ||
| +++ | 5 | 4 | ||
CRC: Colorectal cancer; LAP: Laparoscopic surgery group; OPEN: Open surgery group; SD: Standard deviation; p: Pathological.