Mayo 溃疡性结肠炎评分（DAI）
四项各 0–3 分：大便次数、直肠出血、黏膜、医师总体评估；总分 0–12。
计算
说明
The Mayo DAI integrates patient-reported and endoscopic findings with physician global assessment for ulcerative colitis activity in research and practice teaching.
局限
Modified Mayo (without endoscopy) may be used when colonoscopy is unavailable; not designed to predict need for admission or surgery alone.
仅供教学，不能用于诊疗决策。