Fig. 2From: The prognostic value of lactate dehydrogenase levels in colorectal cancer: a meta-analysisMeta-analyses of the association between lactate dehydrogenase levels and (a) overall survival or (b) progression-free survival. Squares and horizontal bars indicate the point estimates (HRs) with 95Â % CIs for each individual study. Diamonds indicate the summary estimates for the hazard ratio. The width of the diamond corresponds to the 95Â % CIBack to article page