Fig. 2From: Prognostic value of low microRNA-34a expression in human gastrointestinal cancer: a systematic review and meta-analysisThe association between miR-34a expression levels and (a) overall survival; subgroup analyses of (b) ethnicity (Asian and Caucasian), c cancer type (EC, GC, HCC, PC, CRC), and (d) specimen (plasma and tissues)Back to article page