Table 3.

AD sensitivity and specificity of each MIS score with corresponding probabilities of AD (PPV) at different base rates

MISADProbability of AD (PPV) at different base rates
SensitivitySpecificity5%10%15%20%
MIS = Memory Impairment Screen; PPV = positive predictive value.
00.261.001.001.001.001.00
10.461.000.910.960.970.98
20.590.990.780.880.920.94
30.800.980.640.790.860.90
40.870.960.540.710.800.85
50.920.910.360.550.660.73
60.970.810.210.360.470.56
71.000.520.100.190.270.34
81.000.000.050.100.150.20