Table 2. Areas under the curve of different variables in receiver operating characteristics analyses for differentiating malignant from benign pathologies.
Variable | Area | Standard Error (SE) | P -value | 95% Confidence Interval | |
---|---|---|---|---|---|
Lower bound | Upper bound | ||||
MIP mean | 0.71 | 0.1 | 0.066 | 0.52 | 0.90 |
MIP SD | 0.80 | 0.09 | 0.009 | 0.62 | 0.98 |
MIP mean by MIP SD | 0.86 | 0.07 | 0.002 | 0.73 | 0.99 |
BF mean | 0.68 | 0.11 | 0.119 | 0.47 | 0.89 |
BF SD | 0.54 | 0.13 | 0.714 | 0.30 | 0.787 |
BV mean | 0.66 | 0.11 | 0.155 | 0.46 | 0.87 |
BV SD | 0.72 | 0.11 | 0.054 | 0.50 | 0.94 |
PMB mean | 0.50 | 0.11 | 0.963 | 0.29 | 0.71 |
PMB SD | 0.56 | 0.12 | 0.630 | 0.32 | 0.79 |
TTP | 0.76 | 0.09 | 0.026 | 0.58 | 0.93 |
Curve time 1 | 0.64 | 0.11 | 0.233 | 0.42 | 0.85 |
Curve time 2 | 0.75 | 0.09 | 0.033 | 0.56 | 0.93 |
Curve peak | 0.81 | 0.08 | 0.008 | 0.64 | 0.97 |
Abbreviations: BF, blood flow; BV, blood volume; MIP, maximum intensity projection; PMB, permeability; SD, standard deviation; TTP, time to peak.