Table 4.
1.5 SD below the mean | 2.0 SD below the mean | ||||
---|---|---|---|---|---|
RAVLT | CVLT-II | RAVLT | CVLT-II | ||
Trial 1 | AUC | 0.80 (0.69, 0.90) | 0.81 (0.69, 0.93) | 0.85 (0.74, 0.96) | 0.80 (0.63, 0.98) |
Cut-off | 5 | 4 | 5 | 4 | |
Sensitivity | 0.75 (0.47, 0.92) | 0.60 (0.33, 0.83) | 0.89 (0.51, 0.99) | 0.67 (0.31, 0.91) | |
Specificity | 0.69 (0.58, 0.78) | 0.81 (0.71, 0.89) | 0.67 (0.56, 0.76) | 0.79 (0.69, 0.87) | |
PPV | 0.32 (0.18, 0.49) | 0.36 (0.19, 0.57) | 0.21 (0.10, 0.38) | 0.24 (0.10, 0.46) | |
NPV | 0.94 (0.84, 0.98) | 0.92 (0.83, 0.97) | 0.98 (0.90, 1.00) | 0.96 (0.88, 0.99) | |
κ | 0.21 | 0.21 | |||
Trials 1+ 2 | AUC | 0.87 (0.78, 0.95) | 0.94 (0.88, 0.99) | 0.85 (0.74, 0.96) | 0.93 (0.83, 1.00) |
Cut-off | 12 | 12 | 13 | 11 | |
Sensitivity | 0.75 (0.47, 0.92) | 0.93 (0.66, 0.97) | 0.78 (0.40, 0.96) | 0.78 (0.40, 0.96) | |
Specificity | 0.81 (0.71, 0.88) | 0.84 (0.74, 0.90) | 0.67 (0.56, 0.76) | 0.85 (0.75, 0.91) | |
PPV | 0.43 (0.25, 0.63) | 0.50 (0.31, 0.69) | 0.19 (0.09, 0.36) | 0.33 (0.15, 0.57) | |
NPV | 0.94 (0.86, 0.98) | 0.99 (0.91, 1.00) | 0.97 (0.88, 0.99) | 0.98 (0.90, 1.00) | |
κ | 0.41 | 0.20 | |||
Total Learning |
AUC | 0.96 (0.92, 0.99) | 1.00 (0.97, 1.00) | 0.95 (0.90, 1.00) | 1.00 (1.00, 1.00) |
Cut-off | 42 | 39 | 42 | 35 | |
Sensitivity | 0.94 (0.68, 1.00) | 0.93 (0.66, 1.00) | 1.00 (0.63, 1.00) | 1.00 (0.63, 1.00) | |
Specificity | 0.85 (0.75, 0.91) | 0.92 (0.83, 0.96) | 0.79 (0.69, 0.87) | 0.97 (0.90, 0.99) | |
PPV | 0.54 (0.34, 0.72) | 0.67 (0.43, 0.85) | 0.32 (0.17, 0.52) | 0.75 (0.43, 0.93) | |
NPV | 0.98 (0.91, 1.00) | 0.99 (0.92, 1.00) | 1.00 (0.94, 1.00) | 1.00 (0.95, 1.00) | |
κ | 0.38 | 0.22 |
Notes. 95% confidence intervals are presented in parentheses.
Abbreviations: AUC= area under the curve; CVLT-II = California Verbal Learning Test - II; NPV = negative predictive value; PPV: = positive predictive value; RAVLT = Rey Auditory Verbal Learning Test.