Summary of findings 1. Summary of findings.
| Study ID | Country | Subjects (n) | Mean Age (yrs) | IQCODE version | Language | Dementia diagnosis | Dementia prevalence N (%) | Other assessments |
| Flicker 1997 | Australia | 377 (299 from MC) |
73.4 MC 79.7 ACAT |
26 item | English | DSM‐III‐R | n = 248 (65.8) | AMT; MMSE |
| Garcia 2002 | Spain | 113 | 78 | 16 item | Spanish | DSM‐III‐R | n = 90 (87.4) | MMSE |
| Goncalves 2011 | Australia | 204 | 76.9 | 16 item | English | DSM‐IV‐TR | n = 152 (74.5) | RUDAS; SMMSE |
| Hancock 2009 | UK | 144 | 67 (median) | 26 item | English | DSM‐IV | n = 85 (59.0) | ACE‐R; MMSE |
| Harwood 1997 | UK | 177 | 76 | 16 item | English | DSM‐III‐R | n = 21 (10.5) | AMT |
| Jorm 1991 | Australia | 69 | 80 | 26 item | English | DSM‐III‐R; ICD‐10 | n = 24 (34.8) | MMSE |
| Knaefelc 2003 | Australia | 323 | 74.7 | 16 item | English | DSM‐IV | n = 229 (70.9) | CAMDEX |
| Mackinnon 1998 | Switzerland | 106 | 80.3 | 16 item | French | DSM‐IV | n = 58 (54.7) | MMSE |
| Mulligan 1996 | Switzerland | 76 | 81.8 | 26 item | French | DSM‐III‐R | n = 33 (43.4) | AEMT; MMSE (French) |
| Narasimhalu 2008 | Singapore | 576 | 65 ‐ 70 (mean by diagnosis) | 16 item | Cantonese | DSM‐IV | n = 169 (29.3) | MMSE (Singapore) |
| Sikkes 2010 | The Netherlands | 328 (59 known MCI) |
68.4 | 16 item | Dutch | NINCDS‐ADRDA | n = 180 (54.9) | MMSE |
| Siri 2006 | Thailand | 200 | 72.9 | 32 item & 26 item | Thai | DSM‐IV | n = 100 (50.0) | BOMC; CDT; MIS; MMSE |
| Tang 2003 | China | 189 | 74.2 | 26 item | Chinese | DSM‐IV | n = 24 (12.7) | CDR; MMSE |
See Characteristics of included studies for more detailed study descriptors
Abbreviations: ACAT ‐ Aged Care Assessment Team Group; ACE‐R ‐ Addenbrooke's Cognitive Examination‐Revised; AEMT ‐ Antisaccadic Eye Movement Test; AMT ‐ Abbreviated Mental Test; BOMC ‐ Blessed Orientation Memory; CAMDEX ‐ Cambridge Mental Disorders of the Elderly Examination; CDR ‐ Clinical Dementia Rating Scale; CDT ‐ Clock Drawing Test; DSM ‐ American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders; MC ‐ Memory Clinic Group; MCI ‐ Mild Cognitive Impairment; MIS ‐ Memory Impairment Screen; MMSE ‐ Mini Mental State Examination; NINCDS‐ADRDA ‐ National Institute of Neurological and Communicative Disorders and Stroke and Alzheimer's Disease and Related Disorders Association; NINDS‐AIREN ‐ National Institute of Neurological Disorders and Stroke and the Association Internationale pour la Recherche et l'Enseignement en Neurosciences; RUDAS ‐ Rowland Universal Dementia Assessment Scale; SMMSE ‐ Standardized Mini Mental State Examination