ArticleObesity surgery2020
Private and Public Bariatric Surgery Trends in New Zealand 2004-2017: Demographics, Cardiovascular Comorbidity and Procedure Selection.
Article in Obesity surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Uptake and early outcomes of a meal replacement intervention in an ethnically diverse adult population living with obesity and significant comorbidity.Diabetes, obesity & metabolism · 2026Article
- Access to bariatric surgery in Aotearoa, New Zealand - a scoping review.International journal for equity in health · 2026Article
- Empowering Pacific Patients on the Weight Loss Surgery Pathway: A Co-designed Evaluation Study.Obesity surgery · 2024Article
- Missing something? A scoping review of venous thromboembolic events and their associations with bariatric surgery. Refining the evidence base.Annals of medicine and surgery (2012) · 2020Article
- Ethnic Disparities in Access to Publicly Funded Bariatric Surgery in South Auckland, New Zealand.Obesity surgery · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFor bariatric surgery, patient selection, procedural choice and availability has changed over time internationally. We analysed the annual volume and location of bariatric surgery in New Zealand by demographic characteristics, clinical history and procedure.
methodsPatients who underwent bariatric procedures between 1 January 2004 and 31 December 2017 were identified through New Zealand hospitalisation records. Hospitalisation and medication data were used to indicate a clinical history of cardiovascular disease (CVD) and/or diabetes. Publicly funded intervention rate by ethnicity was calculated using year- and sex-specific ethnic population estimates and obesity prevalence statistics.
resultsThis study included 9109 patients, undergoing gastric bypass (GB, n = 3323) and sleeve gastrectomy (SG, n = 5452) as the most common procedures. Nationally, annual bariatric surgery volume increased in the public sector, from 34 to 516 between 2004 and 2017, with a similar increase in available private sector figures. Public recipients were significantly more likely to have a history of diabetes (33.8% vs 14.4%) and/or CVD (9.0% vs 4.7%) than private recipients. Male recipients had higher prevalence of diabetes (29.9% vs 17.6%) and CVD (12.9% vs 4.1%) than female recipients. After adjustment for the adult population prevalence of morbid obesity, Pacific people had half the intervention rate of European and Māori.
conclusionBariatric surgery is increasing in frequency in New Zealand, with SG and GB being the most common procedures. Significant differences in patient characteristics exist between the public and private sectors. Ensuring equitable selection of publicly funded bariatric surgery candidates remains a challenge.
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Registered trials
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