Table 6.
Area under the receiver operator curve (AUC) representing the value of 12-month atrophy rate (% baseline volume) and baseline volumes in discriminating between controls and AD subjects, 95 % confidence intervals, and p-values testing the null hypothesis that the AUC equals 0.5 for each of the measures
| AUC | 95 % confidence interval | p-value | ||
|---|---|---|---|---|
| Lower | Upper | |||
| 1.5T HMAPS volume | 0.833 | 0.694 | 0.973 | 0.0006 |
| 3T HMAPS volume | 0.836 | 0.703 | 0.970 | 0.0006 |
| 1.5T HMAPS BSI | 0.917 | 0.825 | 1.000 | <0.0001 |
| 3T HMAPS BSI | 0.861 | 0.742 | 0.980 | 0.0002 |