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. 2022 Aug 9;9:967341. doi: 10.3389/fcvm.2022.967341

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Copyright © 2022 Rottner, Obergassel, My, Kirchhof, Ouyang, Reissmann, Metzner and Rillig.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Comparison of procedural outcomes between software versions and over time. Procedure duration (A), fluoroscopy duration (B) and dose area product (C) were gaussian-transformed and analysis was performed via ANOVA. ANCOVA sensitivity analysis was additionally performed with adjustment for procedure date and whether PV-angiography was performed or not. Left censored variable usage of contrast dye (D) was analyzed via Tobit-regression. Significance is indicated for ANOVA post-hoc testing with Turkey-correction for procedure duration (A), fluoroscopy duration (B) and dose area product (C). For usage of contrast dye (D), significant predictors in the unadjusted Tobit-model are indicated.