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Table 3 The US (MEDPED) Diagnostic Criteria for FH. FH is diagnosed if total cholesterol (TC) levels exceed the threshold stated [95]

From: The genetics and screening of familial hypercholesterolaemia

Age (years) First Degree relative with FH (TC, mmol/L) Second Degree relative with FH (TC, mmol/L) Third Degree relative with FH (TC, mmol/L) General Population (TC, mmol/L)
<20 5.7 5.9 6.2 7
20-29 6.2 6.5 6.7 7.5
30-39 7 7.2 7.5 8.8
≥40 7.5 7.8 8 9.3