Correlation coefficients (R) and 95% confidence intervals for the linear regression of Gly with selected MRSI and MR perfusion parameters

Age (yr)Tumor TypeR (95% CI)
NAAtChoLacCBFCBV
40GBM−0.71 (−0.76 to −0.64)0.07 (−0.04–0.19)0.64 (0.57–0.71)0.37 (0.27–0.47)0.30 (0.19–0.40)
30GBM−0.44 (−0.51 to −0.36)0.63 (0.57–0.69)0.34 (0.25–0.42)0.45 (0.37–0.52)0.41 (0.33– 0.49)
38GBM0.07 (−0.05–0.19)0.37 (0.27–0.47)−0.25 (−0.36 to −0.13)0.05 (−0.07–0.17)0.11 (−0.01–0.22)
20Astrocytoma−0.16 (−0.25 to −0.07)0.49 (0.42–0.55)−0.05 (−0.14–0.04)
36Astrocytoma−0.55 (−0.60 to −0.50)0.15 (0.08–0.22)0.18 (0.11–0.26)
41GBM0.21 (0.13–0.30)0.24 (0.16–0.32)−0.15 (−0.23 to −0.07)0.01 (−0.08–0.09)−0.02 (−0.11–0.07)
65GBM0.12 (−0.07–0.30)0.20 (0.02–0.37)−0.03 (−0.22–0.15)0.04 (−0.15–0.22)0.11 (−0.08–0.29)
14Astrocytoma−0.33 (−0.45 to −0.20)0.79 (0.73–0.84)0.11 (−0.03–0.24)0.16 (0.02–0.30)0.21 (0.07–0.34)
  • Note:—tCho indicates total choline.