Combined sensitivity, specificity and accuracy at ROC analysis involving three independent readers*
| Image and TI (ms) | Sensitivity | Specificity | Accuracy |
|---|---|---|---|
| Rest, 1200 | 67.0 ± 4.58 | 83.7 ± 2.31 | 80.0 ± 0.58 |
| Rest, 1400 | 69.7 ± 2.89 | 84.0 ± 1.73 | 81.7 ± 1.15 |
| Acetazolamide, 1200 | 67.3 ± 2.52 | 85.7 ± 2.51 | 81.3 ± 1.15 |
| Acetazolamide, 1400 | 86.0 ± 5.00† | 82.0 ± 1.73 | 82.7 ± 0.58 |
* In the detection of abnormally perfused segments on images obtained with different TIs pre- and post-acetazolamide administration.
† Significant difference from results on images obtained with other TIs.