Table 5.

For given phantom and examination category, variability of CTDI_vol-to-organ dose conversion coefficients (h factors, unitless) across fully encompassed organs (i.e., organs completely inside the scan coverage)^a.

	Male			Female
	Normal	Obese class I	Obese class II	Normal	Obese class I	Obese class III
	(%)	(%)	(%)	(%)	(%)	(%)
Chest-abdomen-pelvis	12	16	18	16	18	23
Chest	8	15	16	12	20	21
Abdomen-pelvis	16	16	26	14	9	17
Abdomen	11	13	20	10	10	19
Pelvis	26	28	47	4	5	5
Adrenal	16	18	22	19	18	15
Liver	12	13	21	10	11	19
Kidney	12	15	23	13	13	17
Liver-to-kidney	12	13	20	10	10	20
Kidney-to-bladder	18	22	27	16	12	17

¹Variability is quantified by the coefficient of variation (standard deviation × 100%/mean).