Cut-offs

Odds Ratio

Sensitivity

Specificity

Positive Predictive Value

Negative

Predictive Value

Cut-off > 1

16.00*

(95% CI 1.45 - 17.96)

p = 0.02

z = 2.264

80%

(95% CI 59.29% - 93.09%)

80%

(95% CI 28.81% - 96.70%)

95.24%

(95% CI 76.11% - 99.21%)

44.44%

(95% CI 13.97% - 78.60%)

MMSE 27 or less

29.33*

(95% CI 2.40 - 357.86) p = 0.008

z = 2.647

Cut-off > 1 & MMSE of 27 or less

10.2857

(95% CI 0.9723 - 108.8114)

p = 0.05

z = 1.937

72%

(95% CI 50.61% - 87.88%)

80%

(95% CI 28.81% - 96.70%)

94.74%

(95% CI 73.90% - 99.12%)

36.36% (95% CI 11.15% - 69.12%)