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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Magn Reson Med. 2015 Sep 12;76(2):613–625. doi: 10.1002/mrm.25906

Table 1.

Relative CBV and CBF parameters in 9L and C6 tumors for dual-echo, correction methods 1-3, and MION. Slope, CCC, R, and p-values are obtained from each method versus MION.

9L C6


Method Mean (std) slopea CCCa Ra P-valuea Mean (std) slopea CCCa Ra P-valuea



rCBV Dual-Echo 1.81 (0.45) 1.48 0.30 0.78 0.003 1.57 (0.31) 1.81 0.30 0.83 0.006
Method 1 1.04 (0.38) 1.17 0.48 0.73 0.007 1.24 (0.32) 1.90 0.65 0.86 0.003
Method 2 1.02 (0.27) 0.90 0.47 0.78 0.003 1.17 (0.25) 1.66 0.79 0.96 <0.001
Method 3 1.40 (0.37) 0.98 0.54 0.63 0.027 1.30 (0.34) 1.48 0.43 0.63 0.07
MION 1.30 (0.24) -- -- -- -- 1.23 (0.14) -- -- -- --
rCBF Dual-Echo 0.88 (0.20) 0.51 0.40 0.54 0.07 1.13 (0.18) 0.37 0.34 0.43 0.25
Method 1 0.83 (0.20) 0.49 0.32 0.51 0.09 1.08 (0.19) 0.44 0.33 0.47 0.20
Method 2 0.81 (0.18) 0.49 0.31 0.57 0.05 1.07 (0.17) 0.36 0.27 0.44 0.24
Method 3 0.87 (0.19) 0.48 0.37 0.52 0.08 1.10 (0.20) 0.31 0.23 0.32 0.40
MION 1.04 (0.21) -- -- -- -- 1.26 (0.20) -- -- -- --

std: standard deviation; CCC: concordance correlation coefficient; R: Pearson's correlation coefficient;

a

between each method and MION