Characteristics | Laparoscopy-assisted gastrectomy group (n = 83) | Open gastrectomy group (n = 83) | P |
---|---|---|---|
Gender | Â | Â | 1.000 |
 Male | 12 | 12 |  |
 Female | 71 | 71 |  |
Age(years) | 61.6 ± 10.3 | 61.1 ± 10.5 | 0.777 |
Tumor diameter (cm) | 4.6 ± 2.1 | 4.4 ± 2.2 | 0.631 |
Body mass index (kg/m2) | 22.3 | 21.5 | 0.113 |
Tumor location | Â | Â | 0.565 |
 Upper | 24 | 29 |  |
 Middle | 17 | 11 |  |
 Lower | 42 | 43 |  |
Depth of invasion | Â | Â | 1.000 |
 T2 | 30 | 30 |  |
 T3 | 53 | 53 |  |
pN stage | Â | Â | 0.943 |
 N0 | 30 | 29 |  |
 N1 | 17 | 20 |  |
 N2 | 17 | 15 |  |
 N3 | 19 | 19 |  |
Tumor-node-metastasis stage | Â | Â | 0.958 |
 Ib | 16 | 16 |  |
 IIa | 19 | 18 |  |
 IIb | 16 | 20 |  |
 IIIa | 15 | 13 |  |
 IIIb | 16 | 17 |  |
Pathology | Â | Â | 0.617 |
 Differentiated | 28 | 25 |  |
 Undifferentiated | 55 | 58 |  |
 Gastrectomy extent |  |  | 1.000 |
 Total gastrectomy | 37 | 37 |  |
 Distal gastrectomy | 46 | 46 |  |
Reconstruction | Â | Â | 0.175 |
 BillrothI | 37 | 26 |  |
 BillrothII | 6 | 10 |  |
 Roux-en-Y | 40 | 47 |  |