Cut-offs

Odds Ratio

Sensitivity

Specificity

Positive Predictive Value

Negative

Predictive Value

Cut-off > 1

19.133

(95% CI 0.880 - 415.906) p = 0.06

z = 1.879

100%

(95% CI 83.16% - 100%)

30%

(95% CI 6.67% - 65.25%)

74.07%

(95% CI 53.72% - 88.89%)

100%

(95% CI 29.24% - 100.00%)

Cut-off > 3

171*

(95% CI 9.569 - 3055.681) p = 0.0005

z = 3.49

95%

(95% CI 75.13% - 99.87%)

90%

(95% CI 55.50% - 99.75%)

95%

(95% CI 75.13% - 99.87%)

90%

(95% CI 55.50% - 99.75%)

MMSE 27 or less

19.133

(95% CI 0.88 - 415.90) p = 0.060

z = 1.879

Cut-off > 3 & MMSE of 27 or less

273*

(95% CI 10.197 - 7309.229)

p = 0.0008

z = 3.344

95%

(95% CI 75.13% - 99.87%)

100%

(95% CI 69.15% - 100.00%)

100%

(95% CI 82.35% - 100.00%)

90.91% (95% CI 58.72% - 99.77%)