Schroeder 1987 ulcerative colitis disease-activity index (Mayo DAI): four caller-assigned integers 0-3 (stool frequency, rectal bleeding, endoscopy, physician global). magent sums only (max 12) and does not return later remission or activity-band cutoffs. magent does not count stools, examine the patient, or perform endoscopy. Not a diagnosis and not the Mayo SPN pulmonary-nodule model.

Payment Options