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Qualitative image analysis rated by three radiologists; mean ± standard deviation (SD); IQL = image quality level.
| IQL 70 | IQL 60 | IQL 50 | Stat. Test | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| Diagnostic confidence | 4.44 | ±0.91 | 4.48 | ±0.94 | 4.47 | ±0.83 | p = 0.653 |
|
Overall
image quality |
4.19 | ±0.86 | 4.28 | ±0.94 | 4.07 | ±1.00 | p = 0.311 |
| Image noise | 3.85 | ±0.74 | 3.84 | ±0.83 | 3.76 | ±0.82 | p = 0.643 |
| Image sharpness | 4.22 | ±0.82 | 4.35 | ±0.82 | 4.17 | ±0.88 | p = 0.269 |
