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Table 3 Score-specific likelihood ratios of Eurotest and post-test probabilities of dementia associated with different prevalences of dementia

From: Diagnostic accuracy of the Eurotest for dementia: a naturalistic, multicenter phase II study

Eurotest score

Patients with dementia*

Patients with no dementia*

LR

Prevalence of dementia

    

0.05

0.1

0.2

0.27#

0.5

≤ 16

76 (0.75)

28 (0.07)

10.7

0.35

0.54

0.73

0.8

0.91

17–18

7 (0.07)

17 (0.04)

2.8

0.08

0.24

0.41

0.51

0.74

19–20

9 (0.09)

25 (0.06)

1.5

0.07

0.14

0.27

0.36

0.60

21–22

4 (0.04)

27 (0.07)

0.6

0.03

0.06

0.13

0.17

0.37

≥ 23

5 (0.05)

283 (0.74)

0.07

<0.01

<0.01

0.02

0.02

0.06

Total

101 (1.00)

380 (1.00)

      
  1. LR, likelihood ratio.
  2. *Number of subjects (probability within the column). #Prevalence in this study.