Hospitalization time and total time to ambulation ( primary outcomes ) , gasstool discharge time and onset of bowel sounds ( secondary outcomes ) were compared in groups A -LSB- EOF patients after regional anesthesia ( n = @ ) -RCB- , B -LSB- EOF patients after general anesthesia ( n = @ ) -RCB- , C -LSB- ROF patients after regional anesthesia ( n = @ ) -RCB- and @ -LSB- ROF patients after general anesthesia ( n = @ ) -RSB- .