<prompt> The modified Mayo score used in clinical trials to assess the severity of:Ulcerative colitisCrohns diseaseDiveiculosisPancreatitis  <response>: Modifications of the original Truelove and Witts criteria are used in daily practice, the modified Mayo score is used in current clinical trials. The mayo score uses: Stool frequency Rectal bleeding Mucosal appearance in endoscopy Physicians global assessment Ref: Journal of Crohns and Colitis 2012 6, 965-990 