Kaplan-Meier survival curves for cardiovascular disease mortality by cytomegalovirus immunoglobulin G antibody titers for 1,468 subjects in the Sacramento Area Latino Study on Aging (California) from 1998 to 2008. Cytomegalovirus is divided into quartiles 1, 2, and 3 versus quartile 4. Panel A: unadjusted relation; panel B: adjusted for gender (male/female), age (above/below the mean), education (less than high school/high school or more), and comorbidities (none/one or more). Panel B shows survival for males older than 69 years of age with less than a high school education and one or more baseline comorbidities. Stratified log-rank test statistics were 7.08 (P < 0.01) for panel A and 7.05 (P < 0.01) for panel B.