Table 2.

Results from visual comparison study with regard to lesion detectability, image noise, and artifacts of n = 20 image pairs (20 images acquired with the standard protocol and 20 processed half-time images)

	Processed half-time image preferred	No preference	Standard protocol image preferred
Observer A
Lesion detectability	2 (10 %)	9 (45 %)	9 (45 %)
Image noise	0 (0 %)	3 (15 %)	17 (85 %)
Artifacts	0 (0 %)	14 (70 %)	6 (30 %)
Observer B
Lesion detectability	0 (%)	20 (100 %)	0 (0 %)
Image noise	0 (%)	11 (55 %)	9 (45 %)
Artifacts	0 (%)	14 (70 %)	6 (30 %)
Observer C
Lesion detectability	5 (25 %)	5 (25 %)	10 (50 %)
Image noise	3 (15 %)	4 (20 %)	13 (65 %)
Artifacts	1 (5 %)	17 (85 %)	2 (10 %)
Combined
Lesion detectability	7 (12 %)	34 (57 %)	19 (32 %)
Image noise	3 (5 %)	18 (30 %)	39 (65 %)
Artifacts	1 (2 %)	45 (75 %)	14 (23 %)