Fig. 2From: Diagnostic value of urinary tissue inhibitor of metalloproteinase-2 and insulin-like growth factor binding protein 7 for acute kidney injury: a meta-analysisQuality assessment summary in each domain for individual studies. The quality assessment focusing on risk of bias and applicability concerns consists of four domains, including “patient selection,” “index test,” “reference standard,” and “flow and timing.” Green, yellow, and red indicate low, moderate, and high risk of bias, respectivelyBack to article page