Demographic characteristics of patients in the complete sample.

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

所有百分比均为对应总队列（1,504,535例）的占比。
所有百分比均为对应记录有任意家族史（Family History, FH）的患者队列（283,715例）的占比。
所有百分比均为对应记录有冠心病（Coronary Heart Disease, CHD）阳性家族史的患者队列（140,058例）的占比。
总样本中有0.96%的患者年龄数据缺失。
总样本中有6.70%的患者汤森剥夺评分（Townsend Score）数据缺失。