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. 2013 May 3;15(7):936–944. doi: 10.1093/neuonc/not044

Table 2.

ROC analysis of MRS changes in relation to PFS-6 and relative to 12-mo survival

Change From Baseline Wk 2 Wk 8 Wk 16
ROC analysis of MRS changes in relation to PFS-6
 Tumor NAA/Cho 0.50 (0.09, 0.91) 0.85 (0.53, 1) 0.75 (0.21, 1)
Cho/Cr 0.54 (0.14, 0.95) 0.83 (0.47, 1) 1.00 (1, 1)
NAA/Cr 0.46 (0, 0.99) 0.60 (0.11, 1) 0.46 (0, 1)
 Periphery NAA/Cho 0.39 (0, 0.88) 0.47 (0.02, 0.92) 1.00 (1, 1)
Cho/Cr 0.52 (0.13, 0.91) 0.41 (0.01, 0.80) 1.00 (1, 1)
NAA/Cr 0.54 (0.06, 1) 0.63 (0.22, 1) 0.93 (0.73, 1)
ROC analysis of MRS changes in relation to 12-mo survival
 Tumor NAA/Cho 0.42 (0, 0.92) 0.80 (0.47, 1) 0.80 (0.45, 1)
Cho/Cr 0.42 (0, 0.88) 0.78 (0.44, 1) 0.73 (0.19, 1)
NAA/Cr 0.67 (0.25, 1) 0.60 (0.17, 1) 0.57 (0.03, 1)
 Periphery NAA/Cho 0.60 (0.20,1) 0.58 (0.22, 0.95) 1.00 (1, 1)
Cho/Cr 0.72 (0.36, 1) 0.50 (0.13, 0.87) 0.89 (0.63, 1)
NAA/Cr 0.50 (0.06, 0.94) 0.78 (0.47, 1) 1.00 (1, 1)

ROC analysis with empirical estimates of AUC (95% CI).

AUC ≥ 0.85 and lower bound of the 95% CI > 0.5 are highlighted in bold non-italics.

AUC > 0.75 and lower bound of the 95% CI > 0.4 are highlighted in bold italics.