Skip to main content

Table 3 Prevalence of dementia in people with stroke, diabetes and visual impairment

From: Comorbidity and dementia: a scoping review of the literature

Study and country

Type of study

Type of population

Control/comparison

Eligibility criteria

Recruited from

Number whole sample

Number dementia/CI

Bruce [30] Australia

Longitudinal cross sectional

DM

NA

Defined by post-code, 70 years or older, diabetes

Patients living in catchment area of hospital (63% of eligible patients recruited)

223

34 (15.3%)

Feil [38] USA

Longitudinal cross-sectional

DM

NA

Diagnosis of type 2 diabetes, 60 years or older

Geriatric clinic

51

23 (45% CI)

Feil [39] USA

Cross-sectional

DM

NA

Veterans aged 65 and older with diabetes mellitus

Research administration database (Veterans Health Administration)

497000

65107 (13% dementia/CI)

Hewitt [47] UK

Questionnaire

DM

NA

Type 2 diabetes, aged 75 and older, not resident in nursing homes

Data from RCT in Primary Care

1047

235 (22.5% dementia/CI)

Zhang [83] Australia

Retrospective cohort study

DM

NA

Veterans, 65 and older, received prescription for diabetes in previous six months

Health claims database

17095

4.4%

Saposnik [66] Canada

Retrospective cohort study

Stroke and dementia

Stroke no dementia

18 years and older, first ischemic stroke

Stroke register (included patients admitted to 12 regional stroke centres in Ontario)

10658

966 (9.1%)

Whitson [78] USA

Cross-sectional

VI (macular disease)

NA

65 and older, macular disease diagnoses

Low Vision Rehabilitation clinic

101

19 (19%)

Yochim [79]

Case series

VI (glaucoma)

NA

50 and older, diagnosis of glaucoma

Glaucoma clinic

41

44% (MCI)

  1. CI, Cognitive impairment; DM, diabetes mellitus MCI, mild cognitive impairment; RCT, randomised controlled trial; VI, visual impairment.