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Table 1: 

Baseline characteristics of patients
CharacteristicNo.
Demography
    Cases255
    Men200 (186 patients)
    Women55 (50 patients)
    Mean age (yr) 71
Vascular risk factors
    Coronary artery disease141 (55%)
    Hypertension181 (70%)
    Diabetes mellitus93 (36%)
    Hyperlipidemia123 (48%)
    Smoker129 (50%)
    >79 years57 (22%)
    >2 risk factors178 (69%)
    >3 risk factors102 (40%)