The two groups showed no significant differences in the operative time , intraoperative anastomosis success rate , or postoperative complications ( anastomotic bleeding , leakage , or stricture ) between the two groups ( P > 0.05 ) , but the average cost of endoscopic stapling instrument was significantly lower in the research group ( 6604.31 699.95 vs 7822.28 576.98 RMB Yuan , P < 0.05 ) .