Results of image-quality and confidence level evaluation for MDCTP and CBCTP parametric maps
| Modality and Rating | Reader 1 | Reader 2 | Cohen κ |
|---|---|---|---|
| MDCTP | |||
| Image quality | 2.5 ± 0.7 | 2.3 ± 0.8 | 0.45 |
| Confidence level of making stroke diagnosis | 1.6 ± 1.2 | 1.2 ± 0.5 | 0.42 |
| Confidence level of determining whether there is a mismatch | 2.0 ± 1.5 | 1.4 ± 0.7 | 0.50 |
| Confidence level of making treatment decisions | 1.5 ± 1.1 | 1.3 ± 0.7 | 0.79 |
| CBCTP | |||
| Image quality | 2.4 ± 0.6 | 2.1 ± 0.7 | 0.62 |
| Confidence level of making stroke diagnosis | 1.5 ± 0.9 | 1.3 ± 0.5 | 0.75 |
| Confidence level of determining whether there is a mismatch | 1.6 ± 0.9 | 1.4 ± 0.5 | 0.64 |
| Confidence level of making treatment decisions | 1.3 ± 0.5 | 1.3 ± 0.5 | 0.90 |