Fig. 3

Forest plots of the pooled diagnostic odds ratio (DOR) of uNGAL (a), uNGAL after removing Hollmen’s study (b) and bNGAL (c) in predicting DGF in kidney transplant recipients. The black squares in the gray squares and the horizontal lines represent the point estimate and 95% CI, respectively. The dotted line represents the pooled estimate, and the hollow diamonds represent the 95% CI of the pooled estimate