
Diagnostic and prognostic value of circulating miR-21 for cancer: A systematic review and meta-analysis
Keywords: miRNAs, MicroRNAs; HRs, hazard ratios; LRP, positive likelihood ratio; LRN, negative likelihood ratio; DOR, diagnostic odd ratio; OS, overall survival; QUADAS, Quality Assessment of Diagnostic Accuracy Studies; tp, true-positive; fp, false-positive; fn, f