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 %) |