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Table 1 Clinical characteristics of study population

From: Angiographically borderline left main coronary artery lesions: correlation of transthoracic doppler echocardiography and intravascular ultrasound: a pilot study

Parameters n (%)
Age (year) 64 ± 8
Male gender (%) 18 (75)
Systemic hypertension (%) 16 (67)
Hypercholesterolemia (%) 14 (58)
Current smoker (%) 8 (33)
Diabetes mellitus (%) 7 (29)
Canadian angina classification:  
   - I. 0 (0)
   - II. 5 (21)
   - III. 11 (46)
   - IV. 8 (33)
Previous myocardial infarction (%) 9 (37.5)
Previous coronary bypass surgery (%) 0 (0)