Table 1.
Mean ± SD for image noise and contrast to noise ratios for each ASIR percentage and the relative change between 0% and 100% ASIR are shown. Data are means ± standard deviations, with ranges in parentheses.
| Image quality | ASIR percentage |
Relative change (%) | |||||
|---|---|---|---|---|---|---|---|
| 0% | 20% | 40% | 60% | 80% | 100% | ||
| Noise | 27.06 ± 4.57 (15.32–38.00) |
28.24 ± 4.75 (15.32–38.71) |
24.37 ± 4.32 (13.83–32.42) |
22.40 ± 4.45 (11.23–33.74) |
19.64 ± 3.72 (10.34–26.04) |
18.16 ± 4.41 (10.08–28.01) |
−32.8% |
| Contrast to noise | 1.22 ± 1.08 (0.18–4.59) |
1.20 ± 1.12 (0.16–4.92) |
1.36 ± 1.28 (0.10–5.73) |
1.53 ± 1.48 (0.21–6.73) |
1.73 ± 1.69 (0.22–7.90) |
1.96 ± 1.92 (0.21–9.23) |
+60.7% |