The laparoscopy group had less blood loss ( 4315 vs 5113mL , P = 0.02 ) , shorter postoperative hospital stay ( 2.90.5 vs 5.80.6 days , P < 0.001 ) , and lower postoperative pain score ( 2.71.2 vs 5.91.5 , P < 0.001 ) compared with the laparotomy group .