Table 3. Sensitivity/Specificity and Positive/Negative Predictive Values of 2 Cutoff Scores for the Mini Mental State Examination (MMSE) and Modified MMSE (M-MMSE) Using the Mini-Cog to Identify Cognitive Impairment
Cutoff Scores
MMSE <23M-MMSE <23MMSE <27M-MMSE <27
Sensitivity/specificity
    All subjects (n = 219)0.72/0.770.61/0.930.73/0.770.89/0.53
    Education <12th grade (n = 111)0.84/0.600.73/0.920.96/0.320.94/0.88
    Low literacy (n = 74)0.84/0.400.74/0.870.97/0.130.93/0.33
Positive/negative predictive values
    All subjects (n = 219)0.89/0.530.96/0.490.89/0.530.82/0.66
    Education <12th grade (n = 111)0.88/0.520.97/0.500.83/0.730.96/0.81
    Low literacy (n = 74)0.84/0.400.96/0.460.81/0.500.84/0.56