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Figure 3 Risk of ischemic heart disease in prospective study analyzed by Cox regression. Results are relative risks (95% confidence interval [CI]): CI is not corrected for multiple comparisons. Individuals on cholesterol-lowering treatment (53 subjects, 8 events) and with unknown treatment status (87 subjects, 8 events) were excluded. *No homozygotes among cases in the
32 strata. HDL = high-density lipoprotein; IHD = ischemic heart disease.