Table 2 Sensitivity and specificity of HVLT total learning scores to discriminate all types of dementia and probabilities of dementia (PPV) and probabilities of no dementia (NPV) at different baseline rates
All type of dementia | PPV/NPV at different base rate | |||||
|---|---|---|---|---|---|---|
HVLT Cut-off | Sensitivity | Specificity | 5% | 10% | 15% | 20% |
<10.50 | 1.000 | 0.762 | 0.18/1.00 | 0.32/1.00 | 0.43/1.00 | 0.51/1.00 |
<11.50 | 0.996 | 0.781 | 0.19/0.99 | 0.34/0.99 | 0.45/0.99 | 0.53/0.99 |
<12.50 | 0.996 | 0.841 | 0.25/099 | 0.41/0.99 | 0.53/0.99 | 0.61/0.99 |
<13.50 | 0.967 | 0.854 | 0.26/0.96 | 0.42/0.96 | 0.54/0.96 | 0.62/0.96 |
<14.50 | 0.963 | 0.901 | 0.34/0.96 | 0.52/0.96 | 0.63/0.96 | 0.71/0.96 |
<15.50* | 0.947 | 0.934 | 0.43/0.95 | 0.61/0.95 | 0.72/0.95 | 0.78/0.95 |
<16.50 | 0.919 | 0.947 | 0.48/0.92 | 0.66/0.92 | 0.75/0.92 | 0.81/0.92 |
<17.50 | 0.898 | 0.947 | 0.47/0.90 | 0.65/0.90 | 0.75/0.90 | 0.81/0.90 |
<18.50 | 0.858 | 0.974 | 0.63/0.87 | 0.79/0.87 | 0.85/0.87 | 0.89/0.87 |
<19.50 | 0.801 | 0.974 | 0.62/0.83 | 0.77/0.83 | 0.84/0.83 | 0.89/0.83 |
<20.50 | 0.756 | 0.980 | 0.67/0.80 | 0.81/0.80 | 0.87/0.80 | 0.90/0.80 |
<21.50 | 0.691 | 0.980 | 0.65/0.76 | 0.79/0.76 | 0.86/0.76 | 0.90/0.76 |