TABLE 4:

Comparison of the time to assess the images produced with CTA and DSCTA

Observer (n = 30)	CTA		DSCTA		CTA vs DSCTA
	Mean	SD	Mean	SD	Mean	95% CI	P Value
1	8.44	2.47	8.88	2.89	−0.44	−1.19, 0.32	.249
2	10.07	4.55	7.53	2.85	2.53	1.08, 3.99	.001
1 and 2 (mean)	9.26	3.10	8.21	2.25	1.05	0.34, 1.75	.005