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.