All subjects had blood work with included measurement of C-reactive protein, complete blood count with differential, basic chemistry panel, and uric acid level. All subjects completed a standardized questionnaire to assess baseline characteristics. All subjects underwent comprehensive coronary endothelial function assessment. Subjects completed a questionnaire of overall health several years after the index coronary angiogram and endothelial function study.

All subjects had blood work with included measurement of C-reactive protein, complete blood count with differential, basic chemistry panel, and uric acid level. All subjects completed a standardized questionnaire to assess baseline characteristics. All subjects underwent comprehensive coronary endothelial function assessment. Subjects completed a questionnaire of overall health several years after the index coronary angiogram and endothelial function study.

The standardized questionnaire was used to assess occurrence of major adverse cardiovascular events including stroke, re-hospitalization, myocardial infarction or death. Responses were verified by medical record review conducted by an investigator blinded to the results of the standardized questionnaire.