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Summary results of monthly image quality tests (spatial resolutions, CNR, and uniformity) with the manufacturer specification for each test
| [Range] or average ± SD | |||
|---|---|---|---|
| CTDI 2.5 mGy (low‐dose preset) | CTDI 6.3 mGy (high‐quality preset) | Manufacturer specification | |
| Spatial resolution | [6,7] lp/cm | [7,8] lp/cm | Minimum 6 lp/cm |
| CNR | 1.07 ± 0.08 | 1.69 ± 0.10 |
>0.5 (CTDI 2.5) >0.8 (CTDI 6.3) |
| Uniformity | 12.84% ± 0.70 | 13.01% ± 0.69 | <14% |
