ICCs between 2 scans (n = 27)a
| Parameter | ICC | 95% CI | F | P |
|---|---|---|---|---|
| I | 0.4895 | [0.3814–0.5844] | 2.9241 | <.0001 |
| VTI | 0.3623 | [0.2406–0.4727] | 2.1337 | <.0001 |
| CBI | 0.7297 | [0.6591–0.7873] | 6.5456 | <.0001 |
| BVF | 0.7771 | [0.7182–0.8250] | 7.9463 | <.0001 |
| VIPS | 0.5689 | [0.4713–0.6527] | 3.6274 | <.0001 |
| rCBV | 0.9274 | [0.9061–0.9440] | 26.4302 | <.0001 |
| VSI | 0.9163 | [0.892–0.9353] | 22.969 | <.0001 |
| Q | 0.853 | [0.8046–0.8890] | 13.3324 | <.0001 |
| CGI | 0.8109 | [0.7598–0.8520] | 9.5721 | <.0001 |
↵a ICC estimates with 95% confidence intervals for each parameter and the F test for the hypothesis that ICC = 0. Mean values for 8 VOIs were compared between n = 27 individual subjects at 2 different time points (n = 216 values per time point).