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Iwona Pilchowska

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Open access Sep 2026

Same ICD-10 code, different estimands: four Polish National Health Fund obesity series, 2015–2025

Background Poland's National Health Fund (NFZ) publishes four national series indexed by ICD-10 code E66. Although their labels suggest related measures of obesity, differences in analytical unit, entry rule, look-back period, and temporal structure may alter both the reported level and the apparent response to healthc...

Marcin Poboży, A. Rulkiewicz, Wojciech Lisik et al. · 0 citations

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