Detailed statistical results of mixed-effects logistic regression with fixed factors of matrix size (128 or 192) and reduction factor (1 or 3)
| Parameter | Odds Ratioa | Std. Error | Z | 95% CI | |
|---|---|---|---|---|---|
| Lesion conspicuity | Matrix | 4.083 | 1.035 | 5.55 | 2.484–6.712 |
| R | 2.772 | 0.678 | 4.17 | 1.716–4.477 | |
| Noise assessment | Matrix | 1.781 | 0.423 | 2.43 | 1.118–2.838 |
| R | 7.980 | 2.320 | 7.14 | 4.513–14.108 | |
| Spatial resolution | Matrix | 7.775 | 1.710 | 9.32 | 5.052–11.966 |
| R | 6.424 | 1.403 | 8.52 | 4.187–9.857 | |
| Motion artifact | Matrix | 1.435 | 0.461 | 1.12 | 0.764–2.695 |
| R | 6.819 | 2.888 | 4.53 | 2.973–15.639 | |
| Susceptibility artifact | Matrix | 1.645 | 0.412 | 1.99 | 1.007–2.687 |
| R | 47.398 | 15.623 | 11.71 | 24.842–90.434 | |
| Quality | Matrix | 5.526 | 1.384 | 6.83 | 3.382–9.028 |
| R | 26.224 | 7.263 | 11.8 | 15.239–45.127 |
Note:—R indicates reduction factor.
↵a The odds ratio represents the odds that one will obtain a score of 4–5 (better than a standard DWI sequence) versus a score of 1–3 (equal to or worse than a standard DWI sequence).