Rockall 上消化道出血评分（内镜前）
内镜前：年龄、休克、合并症；总分 0–7。
计算
说明
Pre-endoscopy Rockall estimates mortality risk using admission variables before endoscopic diagnosis and stigmata are known.
局限
Has not consistently identified which patients require intervention without endoscopic data; pair with clinical judgment and other scores.
仅供教学，不能用于诊疗决策。