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Table 2: Results of each parameter by ROC analysis
AUC (χ² test Compared with AUC = 0.5) AUC, 95% CI Cutoff Value Sensitivity (95% CI) Specificity (95% CI)
MET ratio 0.90 (P < .01) 0.75–1.05 1.42 0.90 (±0.026) 0.75 (±0.082)
CER av 0.81 (P < .01) 0.58–1.04 0.61 0.80 (±0.035) 0.88 (±0.023)
MaxSlope av 0.80 (P < .05) 0.58–1.02 0.01 0.90 (±0.014) 0.50 (±0.098)
IAUGC av 0.78 (P < .05) 0.55–1.00 0.2 0.60 (±0.078) 1.0 (0)
fPV av 0.76 0.53–0.99 0.02 0.50 (±0.082) 0.88 (±0.017)
BAT av 0.76 0.48–1.03 44.0 0.70 (±0.046) 0.75 (±0.041)
K^trans av 0.74 0.49–0.99 0.05 0.70 (±0.046) 0.67 (±0.041)
Ve av 0.68 0.41–0.95 0.27 0.60 (±0.052) 0.63 (±0.051)
ADC min 0.60 0.32–0.88 0.73 0.60 (±0.039) 0.25 (±0.061)
Kep av 0.55 0.26–0.84 0.32 0.80 (±0.026) 0.50 (±0.082)
FDG ratio 0.53 0.23–0.82 0.97 0.40 (±0.059) 0.50 (±0.049)
Note:—AUC indicates area under the curve; av, average; min, minimum; ROC, receiver operating characteristic.