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Table 5 Comparison of results of USC ADRC and telephone survey-based classification in three categories. Assumption 2: AAMI (age-associated memory impairment) considered cognitive impairment.

From: Validation of multi-stage telephone-based identification of cognitive impairment and dementia

  

Gold Standard Classification

  

AD or Mixed Dementia

Cognitive Impairment

Normal

   All   

Classification by Telephone Assessment

Dementia

5

0

0

5

 

Cognitive Impairment

0

3

1

4

 

No or Minimal Impairment

1

5

23

29

 

All

6

8

24

38

  1. Telephone Assessment
  2. Sensitivity for dementia 5/6 = 0.83 (95% confidence interval 0.35, 0.99)
  3. Sensitivity for cognitive impairment 3/8 = 0.38 (95% confidence interval 0.09, 0.76)
  4. Specificity for normal 23/24 = 0.96 (95% confidence interval 0.79, 1.00)
  5. Kappa 0.61 (95% confidence interval 0.37, 0.85)