1. Gibbons RJ et al. ACC/AHA/ACP-ASIM Chronic Stable Angina Guidelines JACC 1999;33:2092–197

2. Diamond GA, Forester JS. Analysis of probability as an aid in the clinical diagnosis of coronary-artery disease. NEJM 1979;300:1350-8

3. Chaitman BR et al Angiographic prevalence of high-risk coronary artery disease in patient subsets (CASS). Circulation 1981;64:36-7

4. Pryor DB et al (from Duke University) Estimating the likelihood of significant coronary artery disease Am J Med 1983;75:771-80. Training sample n=3627, Validation sample n=1811 Study dataset n=5438 (67% had significant CHD at Angio)

5. Pryor DB et al (from Duke University) Value of the history and physical in identifying patients at increased risk for CAD Ann Int Med 1993;118:81-90. Study dataset n=1030 (168 had angio within 90 days, 109 had significant CHD) (c-index 0.87)

Designed by Dr John Bayliss (1999-2002) v11 West Hertfordshire Cardiology, Hemel Hempstead Hospital, Herts HP2 4AD