For an absolute CHD risk calculation, refer to the National Service Framework for Coronary Heart Disease at www.doh.gov.uk/nsf/coronary.htm (DoH, March 2000).

Interpretation of Cholesterol to HDl Cholesterol ratio:
Total cholesterol\HDL cholesterol ratio: High risk >5.0, desirable <3.5.
(American Heart Journal 2003;146:1053-1060).