Table 1.
Characteristics of the patients and pathology results of the two groups
| Variable | RAH (n = 205) | LAH (n = 255) | p |
|---|---|---|---|
| Age (year) | 60.36 ± 11.33 | 60.36 ± 11.04 | 0.993 |
| Gender (%) | 0.139 | ||
| Male | 123 (60.00) | 170 (66.67) | |
| Female | 82 (40.00) | 85 (33.33) | |
| BMI (kg/m2) | 24.80 ± 3.34 | 24.78 ± 3.16 | 0.948 |
| ASA scores (%) | 0.533 | ||
| I | 6 (2.93) | 8 (3.14) | |
| II | 173 (84.39) | 223 (91.37) | |
| III | 26 (12.68) | 24 (9.41) | |
| CEA | 3.05 (1.95,7.84) | 3.35 (2.06,8.00) | 0.532 |
| CA19-9 | 12.65 (7.41,23.03) | 12.41 (7.74,22.08) | 0.890 |
| Tumor location (%) | 0.200 | ||
| Descending colon | 33 (16.10) | 53 (20.78) | |
| Sigmoid colon | 172 (83.90) | 202 (79.22) | |
| Tumor size (mm) | 4.08 ± 1.63 | 4.14 ± 1.83 | 0.729 |
| Pathological stage (%) | 0.890 | ||
| I | 42 (20.49) | 48 (18.82) | |
| II | 96 (46.83) | 120 (47.06) | |
| III | 67 (32.68) | 87 (34.12) | |
| Tumor differentiation (%) | 0.391 | ||
| Well differentiation | 14 (6.83) | 26 (10.20) | |
| Moderate differentiation | 173 (84.39) | 204 (80.00) | |
| Poor differentiation | 18 (8.78) | 25 (9.80) | |
| Pathological type (%) | 0.665 | ||
| Ulcerative type | 138 (67.32) | 168 (65.88) | |
| Polypoid type | 40 (19.51) | 46 (18.04) | |
| Other type | 27 (13.17) | 41 (16.08) | |
| Intravascular cancer embolus (%) | 16 (7.80) | 21 (8.24) | 0.866 |
| Nerve invasion (%) | 7 (7.80) | 15 (5.88) | 0.218 |
| Tumor nodules (%) | 12 (5.85) | 18 (7.06) | 0.603 |
RAH robot-assisted hemicolectomy; LAH laparoscopy-assisted hemicolectomy; BMI body mass index; ASA American Society of Anesthesiologists; CEA carcinoembryonic antigen; CA19-9 carbohydrate antigen 19–9