Critical Appraisal Skill Program (CASP Quality appraisal criteria).

The first two questions are screening questions. If the answer to both is “yes”, it is worth proceeding with the remaining questions. Record a “yes”, “no” or “cannot tell” to most of the questions. Critical Appraisal Skill Program (CASP Quality appraisal criteria).前两道题为筛查题。若两道题的答案均为“是”，则可继续作答剩余题目。大部分题目需记录“是”“否”或“无法判断”。本数据集采用关键评价技能项目（Critical Appraisal Skill Program，CASP）质量评价标准。