Also , the score of inflammatory bowel disease questionnaire -9 ( IBDQ-9 ) increased , whereas the clinical colitis activity index score decreased significantly in the resveratrol group ( 32.72 7.52 to 47.64 8.59 ) ( p < 0.001 ) and when compared with the placebo group ( 35.54 9.50 to 41.08 6.59 ) ( p < 0.001 ) .