IQCODE
Informant Questionnaire on Cognitive Decline in the Elderly
Domain
Cognitive
Items
16/26
Rater
Informant
Cutoffs
| Band | Score |
|---|---|
| Decline | ≥3.31 (16) / ≥3.38 (26) |
Diagnostic performance
Sensitivity
0.78
Specificity
0.86
AUC / note
0.88
Clinical notes
Useful when patient declines testing or has language barrier.
Cutoffs and performance figures are pooled or landmark estimates and vary by population and comparator. Use only with appropriate clinical training. Not a diagnostic algorithm.