Konfidenzintervalle und p-Werte in der Urologie: Interpretation und Fehlinterpretation

Translated title of the contribution: Confidence intervals and p-values in urology: Interpretation and misinterpretation

M. Rink, L. A. Kluth, S. F. Shariat, R. Dahlem, M. Fisch, P. Dahm

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations


Confidence intervals and p-values are widely used in the urological literature to describe and interpret outcomes. However, several readers, authors and reviewers are unfamiliar with the true interpretation of these values. P-values determine statistical significance of data. Confidence intervals characterize a range of values in which the true effect size is suggested to be with a given degree of certainty. An independent but complementary interpretation of both values is important in studies with and without statistical significance. Based on a clinical case scenario this article discusses the interpretation as well as common pitfalls in interpretation of p-values and confidence intervals. An accurate assessment of these statistical cornerstones is fundamental for a correct interpretation of the urological literature and thus important aspects of evidence-based urology.

Translated title of the contributionConfidence intervals and p-values in urology: Interpretation and misinterpretation
Original languageGerman
Pages (from-to)546-548
Number of pages3
JournalUrologe - Ausgabe A
Issue number4
StatePublished - Apr 2013

Bibliographical note

Copyright 2013 Elsevier B.V., All rights reserved.


  • Evidence-based medicine
  • Misinterpretation
  • Probability
  • Significance, statistical
  • Therapy success


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