Pair-wise comparison of ROC curves
| Reader, Diagnostic Instrument | ΔAUC | SE | 95% CI | z | P |
|---|---|---|---|---|---|
| Reader 1 | |||||
| sMRI vs sMRI + MRA | 0.156 | 0.046 | 0.066–0.247 | 3.381 | <.01 |
| sMRI vs sMRI + MRA + pCASL | 0.174 | 0.047 | 0.082–0.266 | 3.701 | <.01 |
| sMRI + MRA vs sMRI+MRA + pCASL | 0.018 | 0.028 | −0.036–0.072 | 0.644 | .52 |
| Reader 2 | |||||
| sMRI vs sMRI + MRA | 0.112 | 0.044 | 0.027–0.197 | 2.581 | <.01 |
| sMRI vs sMRI + MRA + pCASL | 0.193 | 0.043 | 0.108–0.277 | 4.475 | <.01 |
| sMRI + MRA vs sMRI + MRA + pCASL | 0.081 | 0.030 | 0.022–0.140 | 2.675 | <.01 |
| Pooled Readers 1 + 2 | |||||
| sMRI vs sMRI + MRA | 0.136 | 0.042 | 0.053–0.219 | 3.208 | <.01 |
| sMRI vs sMRI + MRA + pCASL | 0.179 | 0.045 | 0.091–0.267 | 3.965 | <.01 |
| sMRI + MRA vs sMRI + MRA + pCASL | 0.043 | 0.027 | −0.009–0.100 | 1.615 | .11 |