Fig. 2From: Methylmalonic acid, vitamin B12, and mortality risk in patients with preexisting coronary heart disease: a prospective cohort studyAccumulative all-cause mortality across methylmalonic acid strata in patients with coronary heart diseaseAccumulative all-cause mortality in NHANES 1994–2014 across the three tertiles groups during follow-up. P value was estimated by log-rank test. Y-axis shows the absolute risk of cumulative mortality rate (%). The X-axis shows the follow-up period (years)Back to article page