Demographic characteristics of patients in the complete sample.

<p>Percentages are proportions of the total cohort (1,504,535).</p><p>Percentages are proportions of the cohort of patients with any FH recorded (283,715).</p><p>Percentages are proportions of the cohort of patients with positive FH of CHD recorded (140,058).</p><p>Age was missing for 0.96% of the total sample.</p><p>Townsend Score was missing for 6.70% of the total sample.