RESULTS	The cholestyramine group had less postoperative pain than the placebo group at the 24th hour ( 1.84 2.54 vs. 4.07 3.35 ; P = 0.001 ) and 48th hour ( 0.18 0.88 vs. 3.57 3.45 ; P < 0.001 ) and less pain during defecation starting at the 48th hour ( 2.28 2.96 vs. 4.77 4.09 ; P = 0.001 ) .\