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. 2013 Feb 7;19(5):755–760. doi: 10.3748/wjg.v19.i5.755

Table 2.

Comparisons of characteristics between trans-orally inserted anvil group and mini-laparotomy group

OrVilTM group (n = 21) Mini-laparotomy group (n = 6) P value
Total operation time (min) 198 (180-320) 240 (230-290) 0.018
Total blood loss (mL) 130 (100-400) 140 (100-300) 0.211
Abdominal incision (cm) 4.3 (4-6) 6.4 (5.5-7.0) 0.022
Complications of anastomosis 2 0 1.000
Stenosis 1 0 1.000
Leakage 1 0 1.000

In square brackets: Range. OrVilTM: Trans-orally inserted anvil.