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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Magn Reson Med. 2011 Feb 17;66(1):112–122. doi: 10.1002/mrm.22788

Table 1.

Noise propagation considerations for Bland-Altman plots.

Dataset Variance Relative
Standard
Deviation
1. Dataset for rFOV
(24-fold acceleration)		 σ2 1
2. Dataset for averaged rFOV
(average over 24 frames)		 σ2/24 0.20
3. Baseline for rFOV
(average over 16 preheating dataset)		 σ2/16 0.25
4. Temperature mapping for rFOV
(difference b/w 1 and 3)		 σ2+σ2/16 1.03
5. Temperature mapping for averaged rFOV
(difference b/w 2 and 3)		 σ2/24+σ2/16 0.32
6. Dataset for fFOV
(no acceleration)		 σ2/24 0.20
7. Baseline for fFOV
(1 preheating image)		 σ2/24 0.20
8. Temperature mapping for fFOV
(phase difference b/w 6 and 7)		 σ2/24+σ2/24 0.29
9. rFOV temperature – fFOV temperature
(difference b/w 4 and 8)		 σ2+σ2/16+σ2/24+σ2/24 1.07
10. averaged rFOV temperature – fFOV temperature
(difference b/w 5 and 8)		 σ2/24+σ2/16+σ2/24+σ2/24 0.43