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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Eur Radiol. 2017 May 22;27(11):4516–4524. doi: 10.1007/s00330-017-4867-z

Table 1.

APTW parameter values of the tumor core and peritumoral brain zone

Parameter Tumor core
P Peritumoral brain zone
P
SBM GBM SBM GBM
APTwmax 2.98%±0.74% 3.22%±0.75% 0.141 1.56%±0.22% 1.98%±0.31% <0.001
APTwmin 2.53%±0.70% 2.66%±0.63% 0.361 0.98%±0.25% 1.48%±0.34% <0.001
APTWmean 2.76%±0.71% 2.94%±0.67% 0.221 1.23%±0.23% 1.71%±0.34% <0.001
rAPTwmax 2.51%±0.79% 2.67%±0.73% 0.305 1.09%±0.22% 1.43%±0.31% <0.001
rAPTwmin 2.03%±0.71% 2.10%±0.58% 0.578 0.51%±0.29% 0.95%±0.30% <0.001
rAPTwmean 2.28%±0.76% 2.40%±0.65% 0.448 0.76%±0.27% 1.17%±0.32% <0.001

Abbreviations: (r)APTWmax, (relative) amide proton transfer-weighted max; (r)APTWmin, (relative) amide proton transfer-weighted min; (r)APTWmean, (relative) amide proton transfer-weighted mean; SBM, solitary brain metastasis; GBM, glioblastoma.