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Potentially avoidable hospitalisations in New Zealand, 1989-98
1Counties Manukau District Health Board, South Auckland, New Zealand. gjackson@cmdhb.org.nz
Australian and New Zealand Journal of Public Health
|August 10, 2001
Summary
Potentially avoidable hospitalisations (PAH) in New Zealand reveal significant health inequities. Reducing PAH could prevent 26,000 admissions annually, particularly for Māori and Pacific peoples, and those in deprived areas.
Area of Science:
- Public Health
- Health Services Research
- Health Equity
Background:
- Potentially avoidable hospitalisations (PAH) represent a significant burden on healthcare systems.
- Understanding trends and disparities in PAH is crucial for targeted health interventions.
Purpose of the Study:
- To analyze potentially avoidable hospitalisations (PAH) in New Zealand from 1989-1998.
- To identify trends and variations in PAH across age, gender, ethnicity, and socioeconomic status.
Main Methods:
- Classified hospital discharges (ages 0-74) as 'potentially avoidable' or 'unavoidable' using ICD9-CMA codes.
- Subcategorized PAH by intervention type: primary prevention, ambulatory care, or injury prevention.
Main Results:
- By 1998, one-third of hospitalisations were theoretically avoidable, primarily through improved primary care.
- Māori and Pacific peoples experienced PAH rates 60% higher than European New Zealanders.
- Reducing PAH to the level of the most advantaged 40% could prevent 26,000 admissions annually.
Conclusions:
- Significant opportunities exist to improve population health and reduce health inequities through the health sector.
- PAH analysis is a valuable tool for evidence-based health policy and needs assessment.