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The New Zealand Medical Journal

 Journal of the New Zealand Medical Association, 23-January-2009, Vol 122 No 1288

[full text] [PDF]

Hospital expenditure on treating complications of diabetes and the potential for deferring complications in Canterbury, New Zealand
Ian Sheerin

Abstract


Aim
To investigate annual expenditure by a major district health board in New Zealand on hospital admissions for treating the various complications of diabetes.

Methods
Actual costs were analysed for 2005/06, for all inpatient hospital admissions in Canterbury, New Zealand, where diabetes was recorded as a primary or secondary diagnosis. Costs and lengths of stay for all such admissions were included for ICD-10 codes using the criteria from Australian studies of potentially avoidable hospitalisations. ICD-10 codes were used to identify the major types of complications of diabetes resulting in hospital admissions.

Results
Total costs of all hospital admissions where diabetes was recorded as a primary or secondary diagnosis amounted to $10.1 million in 2005/06, and 9511 days stay in hospital; 69% of these costs were for admissions where diabetes was a secondary diagnosis, with the majority of such costs being for treatment of admissions for cardiovascular disease.

Conclusions
The results generally indicated that diabetes associated with hospital admissions is a major factor, which is still under-reported, and which involves considerable costs of treating the longer term consequences of diabetes. The largest proportion of these costs is for cardiovascular disease, where diabetes is the secondary diagnosis.

     
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