Table 3

Sensitivity and specificity of ICD-9 codes for categories of CVD

Complication	Sensitivity	Specificity	PPV
Other CVD	0.89	0.94	0.89
CAD	0.87	0.90	0.81
CBVD	0.83	0.96	0.77

CAD, coronary artery disease; CBVD, cerebrovascular disease; CVD, cardiovascular disease; ICD-9, International Classification of Diseases Ninth Edition; PPV, positive predictive value.