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Statistical analysis

MD Moritz Drefs
SC Sebastian Schömer Cuenca
UW Ulrich Wirth
FK Florian Kühn
MB Maria Burian
JW Jens Werner
PZ Petra Zimmermann
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This study was carried out as an explorative study. Descriptive statistical analysis was performed, and relations between fistula etiology, therapeutic success, and further underlying conditions were reviewed. In further steps inter-group differences were quantified by performing comparative analysis calculating Student’s t-test and Fisher’s exact test for single-group differences, as well as chi-square test for multiple group differences. Odds ratios have been calculated applying the Babtista-Pike method. For statistical analysis and graphical presentation, SPSS statistical software package (version 25, IBM, Chicago, Ill) and GraphPad Prism (version 8.4.2, GraphPad Software, San Diego, CA) were used. p value (two-tailed) of < 0.05 was regarded as statistically significant.

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