Assessment of maternal and fetal radiation exposure during CT pelvimetry in two radiology departments in Morocco

Open Access

Table 3

Review of the DRLs and doses set for each radiology department.

Department	Statistic	CTDIvol (mGy)	DLP (mGy.cm)	Mean Effective Dose E (mSv)			Mean Estimated Fetal Dose (mGy)

				Calculated	Estimated	Diff (%)
Department A	Minimum	0.88	30.35
	Maximum	1.28	41.46
	Mean	1.00	35.09	0.49	0.48	-2.04	1.50
	75^th Percentile	1.28	35.85
Department B	Minimum	0.86	26.19
	Maximum	0.87	26.63
	Mean	0.86	26.54	0.43	0.42	-2.33	0.96
	75^th Percentile	0.87	26.62
Combined	Minimum	0.86	26.19		–––-
	Maximum	1.28	41.46
	Mean	0.93	30.61	0.47			1.23
	75^th Percentile	0.88	34.02

Note: Diff (%) = The difference between “calculated” and “estimated” effective doses (Software ImpaCT versus “manual” formula) obtained as $(\frac{estimated dose - calculated dose}{calculated dose}) \times 100$ .

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