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| Age | CTDIvol (mGy) | DLP (mGy · cm) | Effective dose (mSv) |
| Under 4 months | 0.49±0.08 | 3.33±0.58 | 0.32±0.06 |
| 4 months to 1 year | 0.77±0.14 | 5.33±0.87 | 0.35±0.06 |
| 1 to 5 years | 1.22±0.26 | 8.86±1.35 | 0.40±0.06 |
CTDIvol, CT volume dose index; DLP, dose–length product.
