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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Magn Reson Imaging. 2018 Apr 17;51:173–181. doi: 10.1016/j.mri.2018.04.006

Table 4.

Bland-Altman analysis of healthy volunteer studies

(a) Bland-Altman analysis across pulse sequences (Bias [95% confidence interval])
Models Quantity b-values group rFOV vs. ssEPI msEPI vs. ssEPI
Bias±1.96SD p Bias±1.96SD p
Mono-exponential ADC × 10−3 (mm2/s) Low b values 0.00 [−0.21, 0.22] 0.86 −0.03 [−0.22, 0.15] 0.12
High b-values −0.02 [−0.21, 0.18] 0.45 −0.03 [−0.28, 0.22] 0.30
Kurtosis Dk ×10−3 (mm2/s) Low b-values 0.03 [−0.39, 0.44] 0.60 0.00 [−0.36, 0.37] 0.95
High b-values 0.03 [−0.29, 0.35] 0.49 −0.09 [−0.58, 0.40] 0.13
(b) Bland-Altman analysis across b-value groups (Bias [95% confidence interval])
ssEPI rFOV msEPI
Models Quantity Low vs. High b-values Low vs. High b-values Low vs. High b-values
Bias±1.96SD p Bias±1.96SD p Bias±1.96SD p
Mono-exponential ADC × 10−3 (mm2/s) −0.09 [−0.26, 0.08] 0.00 −0.11 [0.33, 0.10] 0.00 −0.09 [−0.25, 0.07] 0.01

Kurtosis Dk ×10−3 (mm2/s) 0.03 [−0.32, 0.38] 0.43 0.03 [−0.35, 0.42] 0.46 −0.06 [−0.40, 0.29] 0.16
*

Low b-values group is b = [10, 50, 100, 200, 400, 600, 800] s/mm2;

High b-values group is b = [10, 50, 100, 400, 800, 1200, 1500] s/mm2.