Table 16.2other inputs used in base case analysis in the economic model

Model inputPoint Estimate (95% CI)Source
Baseline risk
Delirium in hospital (general medicine services)15.0%Inouye 1999
Delirium in hospital (hip fracture surgery)50.0%Marcantonio 2000
Unit cost
New dementia (per year)£16,302Dementia UK, The full report, 2007
Stay in long-term care (per week)£656PSSRU 2007, Netten 1998
Pressure ulcer£1,364 (£1,228 to £1,500)*Bennett 2004
Falls£1,875Iglesias 2008
New dementia0.29Ekman 2007 (reported 0.4 for moderate dementia)
New admission to institution0.18Ekman 2007 (reported 0.25 for moderate dementia, GDG suggested it should be used to estimate utility for this outcome)
Falls0.69Hendriks 2008 (reported 0.71 after 12 months)
Stay in long-term care (months)18.9Netten 2001
Extended hospital stay (days)16.83 (9.36, 25.34)Holmes & House 2000
Life with dementia (years)1.2McNamee 2001
Intervention Efficacy
MTI (general medical services)0.66 (0.46, 0.95)Inouye 1999
MTI (hip fracture surgery)0.65 (0.42, 1)Marcantonio l 2000
Intervention Cost
MTI (medical services)£377Based on study protocol in Inouye 1999
MTI (hip fracture surgery)£511Based on study protocol in Marcantonio 2000

Reported as mean (+ and − 10%)

From: 16, Health economic models: cost-effectiveness analyses of delirium prevention and pharmacological treatment

Cover of Delirium
Delirium: Diagnosis, Prevention and Management [Internet].
NICE Clinical Guidelines, No. 103.
National Clinical Guideline Centre (UK).
Copyright © 2010, National Clinical Guideline Centre - Acute and Chronic Conditions.

Apart from any fair dealing for the purposes of research or private study, criticism or review, as permitted under the Copyright, Designs and Patents Act, 1988, no part of this publication may be reproduced, stored or transmitted in any form or by any means, without the prior written permission of the publisher or, in the case of reprographic reproduction, in accordance with the terms of licences issued by the Copyright Licensing Agency in the UK. Enquiries concerning reproduction outside the terms stated here should be sent to the publisher at the UK address printed on this page.

The use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant laws and regulations and therefore for general use.

The rights of National Clinical Guideline Centre to be identified as Author of this work have been asserted by them in accordance with the Copyright Designs and Patents Act, 1988.

PubMed Health. A service of the National Library of Medicine, National Institutes of Health.