Table 1.

Demographics and SCD risk factors in case and control subjects

	Cases (n = 373)	Controls (n = 309)	p-value*
Age, y	70 ± 13	64 ± 12	<0.0001
Male, %	60	64	0.24
History of MI	33%	28%	0.23
History of diabetes	40%	33%	0.06
Obese†	35%	38%	0.37
Severe LV Dysfunction (EF ≤ 35%)‡	22%	9%	0.004
Using medication with risk of causing Torsades de Pointes (qtdrugs.org List 1)	7.5%	3.9%	0.05
Using medication that may prolong QT interval (qtdrugs.org Lists 2 or 3)	38%	26%	0.0005
Any medication from Lists 1-3	43%	27%	<0.0001

^*p-value from t-tests for continuous variables and chi-square tests for categorical variables.

^†BMI ≥30; BMI available for 309 cases and 291 controls

^‡EF from echo, angiogram, or MUGA for 188 cases and 116 controls