| Study characteristics |
| Patient Sampling |
Mixed group of those admitted to geriatric hospital or outpatients at the memory clinic; sampling frame unclear |
| Patient characteristics and setting |
University hospital in Switzerland ‐ inpatient geriatric admissions and outpatients referred to the memory clinic; total sample n = 76 (no breakdown available by recruitment setting) |
| Index tests |
IQCODE 26 item, French language |
| Target condition and reference standard(s) |
Clinical dementia diagnosis using DSM‐III‐R |
| Flow and timing |
Index test and reference standard conducted contemporaneously. Index test administrators blinded to results of diagnosis. Diagnosis made by senior psychiatrists |
| Comparative |
|
| Notes |
|
| Methodological quality |
| Item |
Authors' judgement |
Risk of bias |
Applicability concerns |
| DOMAIN 1: Patient Selection |
| Was a consecutive or random sample of patients enrolled? |
Unclear |
|
|
| Was a case‐control design avoided? |
Yes |
|
|
| Did the study avoid inappropriate exclusions? |
Yes |
|
|
| Could the selection of patients have introduced bias? |
|
High risk |
|
| Are there concerns that the included patients and setting do not match the review question? |
|
|
Unclear |
| DOMAIN 3: Reference Standard |
| Is the reference standards likely to correctly classify the target condition? |
Yes |
|
|
| Could the reference standard, its conduct, or its interpretation have introduced bias? |
|
Unclear risk |
|
| Are there concerns that the target condition as defined by the reference standard does not match the question? |
|
|
Unclear |
| DOMAIN 4: Flow and Timing |
| Was there an appropriate interval between index test and reference standard? |
Yes |
|
|
| Were all patients included in the analysis? |
Yes |
|
|
| Could the patient flow have introduced bias? |
|
Unclear risk |
|
