Geographical and ethnic differences of osteoarthritis-associated hip and knee replacement surgeries in New Zealand: a population-based cross-sectional study
Autor: | Chunhuan Lao, Douglas White, Ross Lawrenson, David Lees, Sandeep Patel |
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Jazyk: | angličtina |
Rok vydání: | 2019 |
Předmět: |
Male
knee replacement surgery Cross-sectional study Epidemiology medicine.medical_treatment Arthroplasty Replacement Hip Ethnic group Knee replacement Osteoarthritis Osteoarthritis Hip 0302 clinical medicine geographical differences 030212 general & internal medicine Arthroplasty Replacement Knee Original Research Aged 80 and over education.field_of_study General Medicine Middle Aged Osteoarthritis Knee Female 0305 other medical science musculoskeletal diseases Adult medicine.medical_specialty Adolescent Population Population based 03 medical and health sciences Young Adult medicine Humans education age-standardised rate Aged Retrospective Studies hip replacement surgery 030505 public health business.industry medicine.disease osteoarthritis Standardized mortality ratio Cross-Sectional Studies Life expectancy Physical therapy ethnic differences business New Zealand |
Zdroj: | BMJ Open |
ISSN: | 2044-6055 |
Popis: | ObjectivesTo (1) explore the regional and ethnic differences in rates of publicly funded osteoarthritis-associated hip and knee replacement surgeries and (2) investigate the mortality after surgery.DesignPopulation-based, retrospective, cross-sectional study.SettingGeneral population in New Zealand.ParticipantsPatients with osteoarthritis who underwent publicly funded primary hip and knee replacement surgeries in 2005–2017. Patients aged 14–99 years were included.Primary and secondary outcome measuresAge-standardised rate, standardised mortality ratio (SMR) and 30 days, 90 days and 1 year mortality.ResultsWe identified 53 439 primary hip replacements and 50 072 primary knee replacements with a diagnosis of osteoarthritis. The number and age-standardised rates of hip and knee replacements increased over time. Māori had the highest age-standardised rate of hip replacements, followed by European/others and Pacific, and Asian had the lowest rate. Pacific had the highest age-standardised rate of knee replacements, followed by Māori and European/others, and Asian had the lowest rate. The Northern Health Network had the lowest rate of hip surgeries, and the Southern Health Network had the lowest rate of knee surgeries. The SMRs of patients undergoing hip and knee replacements were lower than the general population: 0.92 (95% CI 0.89 to 0.95) for hip and 0.79 (95% CI 0.76 to 0.82) for knee. The SMRs were decreasing over time. The patterns of 30 days, 90 days and 1 year mortality were similar to the SMR.ConclusionsThe numbers of publicly funded osteoarthritis-associated primary hip and knee replacements are steadily increasing. Māori people had the highest age-standardised rate of hip replacements and Pacific people had the highest rate of knee replacements. The Northern Health Network had the lowest rate of hip surgeries, and the Southern Health Network had the lowest rate of knee surgeries. Compared with the general population, patients who had hip and knee replacements have a better life expectancy. |
Databáze: | OpenAIRE |
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