Table 2 Kappa statistic for inter-rater reliability and concurrent validity of each diagnostic criteria and clinical judgement.

From: The reliability and validity of DSM 5 diagnostic criteria for neurocognitive disorder and relationship with plasma neurofilament light in a down syndrome population

Measure

Kappa

Inter-rater reliability

DSM-IV

0.654

ICD-10

0.866

DSM-5 (any NCD)

0.711

DSM-5 major NCD

0.727

DSM-5 mild NCD

0.494

Clinical judgment

0.723

Concurrent validity

DSM-5 & DSM-IV

0.555

DSM-5 & ICD-10

0.511

DSM-5 & clinical judgment

0.855

DSM-IV & clinical judgment

0.555

ICD-10 & clinical judgment

0.535

DSM-IV & ICD-10

0.759

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