... groups.Characteristics of cases with RA and CADTable 1 includes characteristics of the patients with RA. Aver-age age at onset of RA was 55 years and the average disease Available online http:/ /arthritis- research.com/content/7/5/R984R990without ... study, detailedquantitative data on amounts of tobacco used were not avail-able. Also, data regarding other risk factors, such as family his-tory and body mass index, were not available. Elevated ... coronary artery disease.Angiographic, hemodynamic, and clinical factors. Circulation1975, 51:146-156.33. Kumeda Y, Inaba M, Goto H, Nagata M, Henmi Y, Furumitsu Y, Ishimura E, Inui K, Yutani Y, ...