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Table 1 BPND–mean % bias and precision (SD of % bias) as well as correlation coefficient (r) for striatal regions when comparing Atlas-, ZTE- and MaxProb-MRAC against 68Ge-AC. Additionally, the slope and intercept of Deming regression lines are given

From: Accuracy and precision of zero-echo-time, single- and multi-atlas attenuation correction for dynamic [11C]PE2I PET-MR brain imaging

Brain region MRAC % bias SD r Slope Intercept
CN Atlas − 12.09* 5.36 0.98 0.88 − 0.01
ZTE − 0.85 7.41 0.95 1.07 − 0.18
MaxProb 2.11 13.24 0.98 0.98 0.06
PUT Atlas 0.52 6.04 1.00 0.97 0.07
ZTE 1.83 3.81 0.95 1.02 − 0.02
MaxProb 9.19 10.78 1.00 0.98 0.29
STR Atlas − 5.43 3.31 0.98 0.94 0.00
ZTE 0.30 3.95 0.97 1.05 − 0.11
MaxProb 5.48 10.62 1.00 0.99 0.17
  1. CN caudate nucleus, PUT putamen, STR striatum
  2. *p value < 0.05. Friedman test with post-hoc tests (comparison to 68Ge-AC) and Dunn’s correction