From: Three-port versus four-port laparoscopic cholecystectomy in acute and chronic cholecystitis
 |  | Number of Ports |  | |
---|---|---|---|---|
 |  | Three-port | Four-port | Total |
Gall Bladder Histology | Acute Cholecystitis | 97 (34.3%) | 66 (31.1%) | 163 (32.9%) |
 | Chronic Cholecystitis | 186 (65.7%) | 146 (68.9%) | 332 (67.1%) |
Total | 283 (57.2%) | 212 (42.8%) | 495 (100%) |