Table 1.

Base Case Results: Incremental Costs and Outcomes per Individual Screened

	Screen at:
	Age 8	Age 14
Incremental costs
HCM	$134	$136
WPW	$80	$79
LQTS	$55	$55
Total*	$170	$171
Incremental SCD cases prevented due to:
HCM	1.1 × 10−5	4.7 × 10−5
WPW	2.0 × 10−5	2.3 × 10−5
LQTS	5.0 × 10−6	5.4 × 10−6
Total	3.6 × 10−5	7.5 × 10−5
Incremental LYs saved from preventing SCD due to:
HCM	6.8 × 10−4	2.7 × 10−3
WPW	1.1 × 10−3	1.2 × 10−3
LQTS	3.4 × 10−4	3.9 × 10−4
Total	2.1 × 10−3	4.3 × 10−3
Incremental discounted LYs saved from preventing SCD due to:
HCM	2.6 × 10−4	1.2 × 10−3
WPW	4.5 × 10−4	5.5 × 10−4
LQTS	1.2 × 10−4	1.4 × 10−4
Total	8.3 × 10−4	1.9 × 10−3
Incremental cost per discounted LY from screening for all conditions:	$203,979	$90,828

Abbreviations: HCM, hypertrophic cardiomyopathy; LQTS, long QT syndrome; LY, life year; SCD, sudden cardiac death; WPW, Wolff-Parkinson-White syndrome.

^*The total has twice the per-individual community-based screening cost subtracted out to avoid triple counting this expense.