Table 3.
GE-QC program water test tolerances.
| Scanner model | Mean CT# water (HU) | Std dev water (HU) | Unif max diff (HU) |
|---|---|---|---|
| LS+ | ±3 | 2.6–3.4 | ±3 |
| DST | ±3 | 2.6–3.4 | ±3 |
| LS-16/DRX/DSTE | ±3 | 2.9–3.5 | ±3 |
| VCT/DVCT | ±3 | 3.8–4.8 | ±3 |
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