Table 1:

Image-noise measurement^a

	Pons (n = 20)	Globe (n = 20)	Masseter (n = 20)	Maxillary Sinus (n = 20)	Total (n = 80)
SOFT FBP LD	74.9 (10.60)^b	55.6 (8.79)^b	52.6 (8.79)^b	45.3 (13.16)^b	57.1 (15.06)^b
BONE FBP LD	278.8 (36.73)^b	173.0 (19.66)^b	175.3 (27.03)^b	105.5 (15.64^{)^b}	183.1 (67.38)^b
VEO LD	18.9 (2.98)	12.4 (1.37)	14.3 (2.16)	12.3 (2.11)	14.5 (3.49)
SOFT FBP SD	24.7 (5.14)^b	19.5 (3.06)^b	19.1 (3.35)^b	17.5 (2.48)^b	20.2 (4.48)^b
BONE FBP SD	97.4 (14.47)^b	66.9 (7.78)^b	66.3 (8.96)^b	50.1 (6.42)^b	70.2 (19.73)^b

↵a Values are expressed as mean (SD) of image noise measured in Hounsfield units.
↵b Statistically significant difference (P < .001) in paired comparison with VEO LD.