Skip to main content
. Author manuscript; available in PMC: 2016 Feb 7.
Published in final edited form as: Phys Med Biol. 2015 Jan 16;60(3):1325–1337. doi: 10.1088/0031-9155/60/3/1325

Table 4.

SCD effect for system 3.

Disk source
Small rod
Large rod
Camera 1 Camera 2 Camera 1 Camera 2 Camera 1 Camera 2
μCF1 19.77 ± 0.15 20.91 ± 0.11 19.85 ± 0.05 19.54 ± 0.06 20.53 ± 0.03 20.18 ± 0.05
μCF1-2 −0.22 ± 0.11 −0.23 ± 0.12 −0.28 ± 0.11a −0.07 ± 0.12 −0.05 ± 0.07 −0.02 ± 0.08
μCF1-3 −0.30 ± 0.11a −0.50 ± 0.12a −0.20 ± 0.11 −0.37 ± 0.12a −0.06 ± 0.07 −0.23 ± 0.08a

Values are in units of cps MBq−1.

μCF1 denotes the mean calibration factor estimate for distance number 1 (17 cm); μCF1−2 represents the difference between the mean calibration factors for distance 1 and distance 2, corresponding to a 5 mm step; and μCF1−3 is the same difference for distances 1 and 3, representing a 1 cm step.

a

Statistically significant (p < 0.05).