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Table 3 Overlap between expert diagnoses using DSM-5 criteria and DSM-IV for dementia and MCI

From: Evaluation of a research diagnostic algorithm for DSM-5 neurocognitive disorders in a population-based cohort of older adults

DSM-IV dementia

DSM-5 major NCD

MCI

DSM-5 mild NCD

No

Yes

No

Yes

No

297 (87.9%)

41 (12.1%)

No

172 (76.8%)

52 (23.2%)

Yes

3 (10.0%)

27 (90.0%)

Yes

25 (17.4%)

119 (82.6%)

Kappa

0.494 (0.063)

p < 0.001

Kappa

0.575 (0.043)

p < 0.001

Specifiers

DSM-5

DSM-IV

Specifiers/subtypes

DSM-5

MCI

Probable Alzheimer’s

17 (25%)

18 (60%)

Amnestic—single

42 (24.6%)

46 (31.9%)

Possible Alzheimer’s

8 (11.8%)

7 (23.3%)

Amnestic—multiple

40 (23.4%)

49 (34.0%)

Probable vascular

3 (4.4%)

1 (3.3%)

Non-amnestic—single

27 (15.8%)

36 (25%)

Possible vascular

4 (5.9%)

0 (0%)

Non-amnestic—multiple

9 (5.3%)

12 (8.3%)

Parkinson’s

4 (5.9%)

3 (10%)

Probable Alzheimer’s

2 (1.2%)

0 (0%)

Lewy body

1 (1.5%)

1 (3.3%)

Possible Alzheimer’s

2 (1.2%)

0 (0%)

Fronto-temporal

3 (4.4%)

0 (0%)

   

Unspecified

28 (41.2%)

0 (0%)

Unspecified

49 (34.4%)

–

Total

68

30

Total

171

144

  1. DSM Diagnostic and Statistical Manual of Mental Disorders, MCI mild cognitive impairment, NCD neurocognitive disorder