Statistical tests were performed using Prism Software (GraphPad). Normality testing was performed using the D'Agostino-Pearson omnibus test. Continuous variables with >2 subgroups were compared using the Kruskal-Wallis test followed by the Dunn multiple comparisons test and with 2 subgroups using the Mann-Whitney test. Ordinal variables were compared using the χ2 test or the Fisher exact test. The Benjamini-Hochberg procedure was performed to control for multiple testing. Multivariate analysis was performed by ordinal logistic fit using JMP software (Version 16, JMP, A Business Unit of SAS, Cary, NC).
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