Richard J Milne1, Richard Beasley. 1. Health Outcomes Associates Ltd, PO Box 25005, St Heliers, Auckland 1740, New Zealand. richard.milne@hoa.co.nz.
Abstract
AIM: To determine the number, distribution and cost of hospital admissions for chronic obstructive pulmonary disease (COPD) in New Zealand. METHODS: National patient-level routine data on admissions with a principal diagnosis of COPD (mostly ICD-10- AN J440 and J441) were obtained for the period July 1st 2008 to June 30th 2013. Admissions with length of stay (LOS) = 90 days were excluded. RESULTS: There were 61,516 admissions in 5 years. Admission rates and budget impact (in 2012/13 dollar values) were stable but the average length of stay (ALOS) declined from 5.09 to 4.37 days. In FY2012/13 the admission rate was 2.82 per 1000 population, with age standardised rate (ASR) 4.4- and 3.6-fold higher for Maori and Pacific peoples respectively than for European/others. For age = 15 years the ASR was 2.55 per 1000. Admission rates were higher for men than women and increased steeply with age and socioeconomic deprivation (NZDep06). The mean age at discharge was lower for Maori and Pacific peoples than for European/Others (63.4, 67.1 and 72.3 years). The mean 30-day readmission rate was 6.7%. The average LOS increased with age and was shorter for Maori (3.6 days) and Pacific peoples (3.5 days) than for European/Others (4.7 days). Admission rates varied widely across District Health Boards, and were higher in rural than urban regions. The estimated cost of admissions in FY2012/13 was $NZ59.6m. CONCLUSIONS: Hospital admissions for COPD are costly and are over-represented in high risk groups including rural, elderly, socioeconomically deprived and Maori and Pacific peoples. Effective interventions that are targeted to high risk groups are required to improve equity and reduce the burden of COPD.
AIM: To determine the number, distribution and cost of hospital admissions for chronic obstructive pulmonary disease (COPD) in New Zealand. METHODS: National patient-level routine data on admissions with a principal diagnosis of COPD (mostly ICD-10- AN J440 and J441) were obtained for the period July 1st 2008 to June 30th 2013. Admissions with length of stay (LOS) = 90 days were excluded. RESULTS: There were 61,516 admissions in 5 years. Admission rates and budget impact (in 2012/13 dollar values) were stable but the average length of stay (ALOS) declined from 5.09 to 4.37 days. In FY2012/13 the admission rate was 2.82 per 1000 population, with age standardised rate (ASR) 4.4- and 3.6-fold higher for Maori and Pacific peoples respectively than for European/others. For age = 15 years the ASR was 2.55 per 1000. Admission rates were higher for men than women and increased steeply with age and socioeconomic deprivation (NZDep06). The mean age at discharge was lower for Maori and Pacific peoples than for European/Others (63.4, 67.1 and 72.3 years). The mean 30-day readmission rate was 6.7%. The average LOS increased with age and was shorter for Maori (3.6 days) and Pacific peoples (3.5 days) than for European/Others (4.7 days). Admission rates varied widely across District Health Boards, and were higher in rural than urban regions. The estimated cost of admissions in FY2012/13 was $NZ59.6m. CONCLUSIONS: Hospital admissions for COPD are costly and are over-represented in high risk groups including rural, elderly, socioeconomically deprived and Maori and Pacific peoples. Effective interventions that are targeted to high risk groups are required to improve equity and reduce the burden of COPD.
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