TABLE XII.

Comparison of effective doses normalized to dose length product (DLP) (mSv/mGy cm) as given by Shrimpton et al. and as calculated using the dose matrix of the present study under either ICRP 60 or ICRP 103 tissue weighting factors.

			Age (year)
	Scan type	kVp	0	1	5	10	15	30
Shrimpton et al.a	Head	120	0.0110	0.0067	0.0040	0.0032		0.0021
	Chest		0.0390	0.0260	0.0180	0.0130		0.0140
	Abdomen/peivls		0.0490	0.0300	0.0200	0.0150		0.0150
	Trunk		0.0440	0.0280	0.0190	0.0140		0.0150
NCI ED60	Head	80	0.0084	0.0049	0.0033	0.0023	0.0016	0.0013
		100	0.0085	0.0054	0.0037	0.0026	0.0018	0.0015
		120	0.0092	0.0060	0.0043	0.0029	0.0021	0.0017
	Chest	80	0.0428	0.0268	0.0190	0.0126	0.0087	0.0168
		100	0.0432	0.0277	0.0198	0.0134	0.0096	0.0180
		120	0.0446	0.0291	0.0210	0.0146	0.0106	0.0186
	Abdomen/Pelvis	80	0.0447	0.0283	0.0193	0.0122	0.0093	0.0195
		100	0.0451	0.0294	0.0203	0.0132	0.0102	0.0210
		120	0.0465	0.0313	0.0222	0.0149	0.0114	0.0219
	CAP	80	0.0413	0.0261	0.0184	0.0120	0.0087	0.0155
		100	0.0417	0.0274	0.0193	0.0129	0.0095	0.0168
		120	0.0430	0.0290	0.0208	0.0144	0.0106	0.0175
NCI ED103	Head	80	0.0075	0.0048	0.0034	0.0023	0.0017	0.0013
		100	0.0079	0.0052	0.0038	0.0026	0.0019	0.0015
		120	0.0086	0.0058	0.0043	0.0029	0.0022	0.0017
	Chest	80	0.0492	0.0306	0.0219	0.0146	0.0103	0.0191
		100	0.0494	0.0315	0.0227	0.0155	0.0110	0.0203
		120	0.0508	0.0330	0.0240	0.0168	0.0121	0.0210
	Abdomen/pelvis	80	0.0460	0.0281	0.0198	0.0120	0.0094	0.0159
		100	0.0463	0.0292	0.0207	0.0129	0.0103	0.0172
		120	0.0475	0.0309	0.0221	0.0142	0.0114	0.0179
	CAP	80	0.0425	0.0263	0.0186	0.0123	0.0089	0.0162
		100	0.0428	0.0273	0.0194	0.0132	0.0097	0.0173
		120	0.0440	0.0288	0.0207	0.0144	0.0108	0.0180

^aTissue weighting factors in ICRP60 were adopted to calculate effective doses in Shrimpton et al.