|
MR Technique
|
N
|
Predictor variables
|
OR
|
95% CI
|
P
|
Coefficient (β)
|
Standard error
|
AUC
|
Sensitivity (%)
|
Specificity (%)
|
PPV (%)
|
NPV (%)
|
|---|
|
MRI
|
129
|
Enhancement
|
23.37
|
5.85-93.25
|
<0.0001
|
3.15
|
0.71
|
0.890
|
95.9
|
70
|
91.3
|
84
|
|
Necrosis
|
9.04
|
2.61-31.25
|
0.001
|
2,20
|
0.63
|
|
MRI
|
71
|
Enhancement
|
11.63
|
2.35-58.82
|
0.003
|
2.46
|
0.81
|
0.871
|
98.2
|
46.7
|
87.3
|
87.5
|
|
PWI
|
|
DWI
|
|
Necrosis
|
8.48
|
1.95-37.04
|
0.005
|
2.13
|
0.77
|
|
MRS
|
|
MRI
| |
Enhancement
|
16.95
|
3.89-71.43
|
<0.0001
|
2.83
|
0.75
| | | | | |
|
PWI
|
120
|
Necrosis
|
5.40
|
1.32-21.74
|
0.019
|
1.69
|
0.72
|
0.923
|
98.9
|
75.9
|
92.8
|
95.6
|
|
DWI
| |
rADC
|
0.22
|
0.50-0.97
|
0.045
|
−1.51
|
0.75
| | | | | |
- AUC, area under the receiver operating characteristic curve; CI, confidence interval; DWI, diffusion-weighted imaging; MRI, magnetic resonance imaging; MRS, MR spectroscopy; N, number of cases from which each classifier was constructed; PWI, perfusion-weighted imaging; rADC, relative apparent diffusion coefficient; OR, odds ratio; PPV, positive predictive value; NPV, negative predictive value.
