Table 4.

Diagnostic cost of strategies for direct ICA referral and referral to ICA based upon AI‐QCT.

Scenario	N	Cost	Cost/Patient	Change
Straight to ICA
ICA	784	$2, 175, 600	$2775
AI‐QCT, followed by ICA if ≥ 50%
CCTA	747	$135, 954
AI‐QCT	747	$1, 120, 500
ICA	97	$269, 175
Total		$1, 525, 629	$2042	‐26%
AI‐QCT, followed by ICA if ≥ 70%
CCTA	747	$135 954
AI‐QCT	747	$1 120 500
ICA	37	$102 675
Total		$1 359 129	$1819	‐34%