Variable | Laparoscopic group (n = 12) | Open group (n = 13) | P value |
Age | 54 ± 12 | 52 ± 12 | 0.469 |
Sex (male/female) | 5/7 | 4/9 | 0.688 |
Pathological staging (I/II/II) | 3/4/5 | 2/4/7 | 0.781 |
Differentiation of adenocarcinoma (poorly/moderately/well) | 4/6/2 | 2/5/6 | 0.256 |