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BMC Primary Care
Published in: BMC Primary Care 1/2014

Open Access 01-12-2014 | Research article

Multimorbidity of chronic diseases and health care utilization in general practice

Authors: Sandra H van Oostrom, H Susan J Picavet, Simone R de Bruin, Irina Stirbu, Joke C Korevaar, Francois G Schellevis, Caroline A Baan

Published in: BMC Primary Care | Issue 1/2014

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Abstract

Background

Multimorbidity is common among ageing populations and it affects the demand for health services. The objective of this study was to examine the relationship between multimorbidity (i.e. the number of diseases and specific combinations of diseases) and the use of general practice services in the Dutch population of 55 years and older.

Methods

Data on diagnosed chronic diseases, contacts (including face-to-face consultations, phone contacts, and home visits), drug prescription rates, and referral rates to specialised care were derived from the Netherlands Information Network of General Practice (LINH), limited to patients whose data were available from 2006 to 2008 (N = 32,583). Multimorbidity was defined as having two or more out of 28 chronic diseases. Multilevel analyses adjusted for age, gender, and clustering of patients in general practices were used to assess the association between multimorbidity and service utilization in 2008.

Results

Patients diagnosed with multiple chronic diseases had on average 18.3 contacts (95% CI 16.8 19.9) per year. This was significantly higher than patients with one chronic disease (11.7 contacts (10.8 12.6)) or without any (6.1 contacts (5.6 6.6)). A higher number of chronic diseases was associated with more contacts, more prescriptions, and more referrals to specialized care. However, the number of contacts per disease decreased with an increasing number of diseases; patients with a single disease had between 9 to 17 contacts a year and patients with five or more diseases had 5 or 6 contacts per disease per year. Contact rates for specific combinations of diseases were lower than what would be expected on the basis of contact rates of the separate diseases.

Conclusion

Multimorbidity is associated with increased health care utilization in general practice, yet the increase declines per additional disease. Still, with the expected rise in multimorbidity in the coming decades more extensive health resources are required.
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Metadata
Title
Multimorbidity of chronic diseases and health care utilization in general practice
Authors
Sandra H van Oostrom
H Susan J Picavet
Simone R de Bruin
Irina Stirbu
Joke C Korevaar
Francois G Schellevis
Caroline A Baan
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Primary Care / Issue 1/2014
Electronic ISSN: 2731-4553
DOI
https://doi.org/10.1186/1471-2296-15-61

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