Table 2. Radiation Dose.
| Protocol A | Protocol B | P | |
| CTDI (mGy) | 7.8±0.9 | 3.9±0.5 | <0.001 |
| DLP(mGy*cm) | 379±48.1 | 189.5±26.4 | <0.001 |
CTDI: computed tomography dose index, DLP: dose length product, ED: effective dose.
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