Table 2
Surgical Outcomes of 3D Group and 2D Group
| 3D group (n=60) | 2D group (n=60) | P | |
|---|---|---|---|
| Operation time (min) | 123.2±34.2 | 142.2±23.5 | 0.018 |
| Intraoperative blood loss (ml) | 38.8±13.4 | 42.5±10.4 | 0.823 |
| Tumor size (cm) | 4.2±1.5 | 3.8±1.8 | 0.769 |
| T stage | 0.581 | ||
| pT1 | 2 | 4 | |
| pT2 | 26 | 32 | |
| pT3 | 23 | 20 | |
| pT4 | 9 | 4 | |
| N stage | 0.749 | ||
| pN0 | 15 | 20 | |
| pN1 | 35 | 33 | |
| pN2 | 10 | 7 | |
| Stage | 0.475 | ||
| I | 14 | 18 | |
| II | 20 | 22 | |
| III | 26 | 20 | |
| Differentiation | 0.793 | ||
| Well | 12 | 20 | |
| Moderately | 27 | 25 | |
| Poor | 19 | 13 | |
| Mucinous | 2 | 2 | |
| Specimen length (cm) | 25.6±3.5 | 26.5±7.3 | 0.823 |
| No. of retrieced lymph nodes | 19.6±5.4 | 18.4±7.6 | 0.889 |
| Surgical procedure | 0.425 | ||
| Right hemicolectomy | 18 | 12 | |
| Left hemicolectomies | 2 | 3 | |
| sigmoid colon resection | 40 | 45 |