Racial heterogeneity in coronary artery vasomotor reactivity: differences between Japanese and caucasian patients
John F. Beltrame, BMBS, FRACP*,
Shigetake Sasayama, MD, FACC and
Attilio Maseri, MD, FACC
* Cardiology Unit, The North Western Adelaide Health Service, University of Adelaide, Adelaide, Australia
Department of Cardiovascular Medicine, Kyoto University Hospital, Kyoto University Graduate School of Medicine, Kyoto, Japan
Cardiology Institute, Agostino Gemelli Hospital, The Catholic University of the Sacred Heart, Rome, Italy

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Figure 1 Survival in variant angina patients. Major prognostic studies in variant angina patients showing up to 5-year survival figures for Japanese-based studies (2628) (filled shapes) as compared with caucasian studies (2932) (open shapes). Filled squares = Nakamura et al. (26); filled triangles = Yasue et al. (27); filled circles = Shimokawa et al. (28); open squares = Severi et al. (29); open triangles = Waters et al. (30); open squares = Mark et al. (31); open diamonds = Walling et al. (32).
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Figure 2 Survival without myocardial infarction in patients with variant angina. Five-year survival without myocardial infarction in Japanese (2628) (filled shapes) and caucasian (2932) (open shapes) variant angina patients. Symbols as in Figure 1.
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