Fig. 1From: Serum lactate level and mortality in metformin-associated lactic acidosis requiring renal replacement therapy: a systematic review of case reports and case seriesThe distribution of modality of renal replacement therapy (RRT) of the enrolled cases published from 1974 to 2000 and from 2001 to 2014 by survival status. Abbreviations: CRRT, continuous renal replacement therapy; IRRT, intermittent renal replacement therapy; PD, peritoneal dialysis; PIRRT, prolonged intermittent renal replacement therapy; RRT, renal replacement therapyBack to article page