Table 5.
Quantitative and subjective analyses in different groups
| Parameters | Group A | Group B | p-value | |
|---|---|---|---|---|
| CT value (HU) | 429.4 ± 110.1 | 466.8 ± 91.62 | 0.055 | >0.05 |
| Noise | 16.24 ± 1.41 | 16.67 ± 1.59 | 0.149 | >0.05 |
| CNR | 21.84 ± 7.04 | 23.12 ± 5.92 | 0.306 | >0.05 |
| SNR | 26.64 ± 7.35 | 28.28 ± 6.15 | 0.206 | >0.05 |
| Score (Observer 1) | 4.60 ± 0.20 | 0.791 | >0.05 | |
| Score (Observer 2) | 4.61 ± 0.19 | |||
| Score (Observer 1) | 4.64 ± 0.20 | 0.752 | >0.05 | |
| Score (Observer 2) | 4.65 ± 0.20 | |||
| Score (average) | 4.60 ± 0.20 | 4.64 ± 0.19 | 0.139 | >0.05 |
CNR, contrast-to-noise ratio; SNR, signal-to-noise ratio.