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Cost effectiveness of using cognitive screening tests for detecting dementia and mild cognitive impairment in primary care.

Abstract：

INTRODUCTION:We estimated the cost effectiveness of different cognitive screening tests for use by General Practitioners (GPs) to detect cognitive impairment in England. METHODS:A patient-level cost-effectiveness model was developed using a simulated cohort that represents the elderly population in England (65 years and older). Each patient was followed over a lifetime period. Data from published sources were used to populate the model. The costs include government funded health and social care, private social care and informal care. Patient health benefit was measured and valued in Quality Adjusted Life Years (QALYs). RESULTS:Base-case analyses found that adopting any of the three cognitive tests (Mini-Mental State Examination, 6-Item Cognitive Impairment Test or GPCOG (General Practitioner Assessment of Cognition)) delivered more QALYs for patients over their lifetime and made savings across sectors including healthcare, social care and informal care compared with GP unassisted judgement. The benefits were due to early access to medications. Among the three cognitive tests, adopting the GPCOG was considered the most cost-effective option with the highest Incremental Net Benefit (INB) at the threshold of £30 000 per QALY from both the National Health Service and Personal Social Service (NHS PSS) perspective (£195 034 per 1000 patients) and the broader perspective that includes private social care and informal care (£196 251 per 1000 patients). Uncertainty was assessed in both deterministic and probabilistic sensitivity analyses. CONCLUSIONS:Our analyses indicate that the use of any of the three cognitive tests could be considered a cost-effective strategy compared with GP unassisted judgement. The most cost-effective option in the base-case was the GPCOG. Copyright © 2016 John Wiley & Sons, Ltd.

journal_name

Int J Geriatr Psychiatry

journal_title

International journal of geriatric psychiatry

authors

Tong T,Thokala P,McMillan B,Ghosh R,Brazier J

doi

10.1002/gps.4626

subject

Has Abstract

pub_date

2017-12-01 00:00:00

pages

1392-1400

issue

eissn

0885-6230

issn

1099-1166

journal_volume

pub_type

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Cost effectiveness of using cognitive screening tests for detecting dementia and mild cognitive impairment in primary care.