ArticleChirurgie (Heidelberg, Germany)2022
[Regional and gender variations in appendicectomy : Nationwide small-area development of operation rates in the time series].
Article in Chirurgie (Heidelberg, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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3 authors at 1 institution in 1 country.
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Abstract
backgroundPrevious analyses of small-area appendicectomy rates showed significantly higher regional differences in the frequency of operations in women than in men
objectiveThis work proposes valid measures to represent regional variations and analyzes gender-specific changes of appendicectomy rates at the county level in the time series. MATERIAL AND
methodsAppendicectomy frequencies for 2014, 2016 and 2018 by gender and at the county level were taken from the DRG statistics. Regional variations were calculated and assessed using the systematic component of variation (SCV). In comparison to the extreme ratio and coefficient of variation, the SCV is more robust with respect to strongly fluctuating denominator populations. The SCV values greater than 5 indicate high variation and greater than 10 indicate very high variation.
resultsIn the male population only minor regional variations in operation rates could be observed, remaining at similar levels over time (SCV DISCUSSION: Regarding women, a decreasing trend in regional variation of appendicectomy could be observed. It remains unclear whether this trend reflects a change in the indications or a modified clinical management when appendicitis is suspected. Using robust variation measures and the graphic preparation as funnel plots it is possible to distinguish systematically caused regional differences in care from random effects.
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