Statistical fallacies in orthopedic research

Level of evidence gap in orthopedic research.

Level of evidence is the most widely used metric for the quality of a publication, but instances exist in which a Level I study is neither feasible nor desirable. The goal of this study was to evaluate the level of evidence gap in current orthopedic research, which the authors defined as the disparity between the level of evidence that would be required to optimally answer the primary research ...

Orthopedic registry research — limitations and future perspectives

Open Access-This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the source is credited. In 2015, there is nothing spectacular about registers. To collect information on the outcome of treatments is as old as medicine itself. Registries merely took the con...

Just Plain Data Analysis: Common Statistical Fallacies in Analyses of Social Indicator Data

This paper presents a short summary of the most common statistical fallacies found in public debates employing social indicator data as the evidentiary premises of arguments about politics and public affairs. The purpose is to offer students a convenient framework for evaluating, and developing their own, arguments relying on social indicator data. 1. Statistical Fallacies in Social Indicator A...

Statistical Analysis in Climate Research

Statistical issues in periodontal research.

In the past 10 to 12 years, there have been several statistical issues identified in periodontal research which require and have generated non-standard or new statistical approaches. The purpose of this paper is to give an overview of these issues and approaches. Three general categories of issues are described: (i) statistical methods for detecting when disease progression occurs, and biologic...