AIM: to search the effects of several injections of insulin and insulin pump on the total hospitalization expenses of type 2 diabetics undergoing laparoscopic cholecystectomy.

Objective To compare medical expenses of hospitalization and hospitalized days for laparoscopic cholecystectomy and open cholecystectomy.

Results The average hospitalized days in patients with laparoscopic cholecystectomy was more shorter, but medical expenses was higher than those of patients with open cholecystectomy.