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Forest plot of RR of nonfatal and fatal CAD in relation to circulating magnesium (lowest compared with highest categories) pooled using random-effects meta-analysis. The PREVEND study used Q3 as its referent group, so the RR presented is based on Q1 compared with Q3. ARIC, Atherosclerosis Risk in Communities; CAD, coronary artery disease; PREVEND, Prevention of Renal and Vascular End-Stage Disease; Q, quintile.
