Eligible cases | distribution | Number (%) | ||
Cholelithiasis incidence before surgery | Prior cholecystectomy | 13 (9.6%) | 35 (25.9%) | |
Concomitant cholecystectomy | 22 (16.3%) | |||
Free of gallstone at time of surgery | Developed gallstones | symptomatic | 8 (8%) | 19 (19%) |
Non symptomatic | 11 (11%) | |||
Did not develop gallstones | 81 (81%) | |||
total | 135 |