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Objective image quality assessment of protocol A and B in the clivus analyzed by independent samples T tests. Mean ± SD is mentioned for the bony structures. Significant P-values are indicated by * and the group that is in favor is mentioned between, ()
| Structure | Protocol A | Protocol B | P-value | |
|---|---|---|---|---|
| Clivus | CT numbers (HU) | 360.6 ± 66.5 | 543.1 ± 70.4 | <0.001* |
| noise (HU) | 36.9 ± 9.6 | 34.9 ± 15.2 | 0.600 | |
| SNR | 10.3 ± 2.9 | 18.3 ± 7,8 | <0.001* |
