Table 4.

Dose increase ratios.

Scanner	Increase Ratio of CTDIvol				Increase Ratio of DLP
	T	A	AP	TAP	T	A	AP	TAP
Siemens	33.3	34.9	31.3	33.8	35.4	44.5	38.9	37.7
GEa	56.0	52.1	44.7	52.6	57.9	59.2	50.8	56.8
GEb	47.2	52.8	44.4	46.8	50.3	59.5	51.0	50.7
Fujifilm	51.1	55.6	44.5	44.4	51.9	63.4	50.7	48.8

T = thoracic CT, A = abdominal CT, AP = abdominopelvic CT, TAP = thoraco-abdominopelvic CT.