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Updated: May 5, 2026
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Published on: March 20, 2017
Bariatric surgery in Poland in 2017-2022: retrospective analysis of public health system open data
Mikołaj Kamiński1, Mariusz Wyleżoł2, Matylda Kręgielska-Narożna1
1Department of the Treatment of Obesity and Metabolic Disorders, and of Clinical Dietetics, Poznań University of Medical Sciences, Szamarzewskiego 84, 60-569 Poznań, Poland.
Background:
There little known about bariatric surgeries performed in Poland. We aimed to analyze trends in bariatric surgery performed in public health system in Poland.
Methods:
Data was obtained from the National Health Fund (NFZ) database of aggregated statistics for the years 2017-2022. We retrieved data about hospitalizations during which bariatric surgery was performed. We performed descriptive statistics.
Results:
From 2017 to 2022, the number of bariatric surgeries in Poland's public healthcare system increased from 3,278 to 5,580, with a temporary decline in 2020. The number of procedures per 100,000 residents increased from 8.5 in 2017 to 14.7 in 2022. The majority of surgeries (73.3%) were performed on women. Sleeve gastrectomy was the most frequently reported procedure. The median duration of hospitalizations was 3 days. The in-hospital mortality rate was equal to 0.057.
Conclusions:
Between 2017 and 2022, bariatric surgeries in the Polish public healthcare system increased by about 70%, with a temporary drop in 2020. Nevertheless, Poland still reports fewer procedures per 100,000 residents compared to other developed countries. A key limitation of this study is the absence of data from private sector.
Supplementary Information:
The online version contains supplementary material available at 10.1007/s40200-025-01600-0.
