TABLE 1

Results of Phantom Study: CV (n = 4)

	Acquisition time (s)
Sphere size (mm)	10	15	20	25	30	60	120
10	43.75	47.34	43.81	44.06	41.58	37.02	35.65
13	42.97	39.46	35.50	36.47	35.64	31.61	30.65
17	26.32	24.54	23.95	21.03	21.49	19.19	19.52
22	11.45	8.71	8.06	8.33	7.40	8.33	7.27
28	4.64	4.50	3.92	2.48	2.02	2.38	1.37
37	6.99	3.53	2.87	2.74	3.51	1.73	1.30