statistics

A thread for resources for learning about and understanding statistics, particularly as it applies to medical science. DATAtab - Online Statistics Calculator and e-Learning (YouTube channel)

Key findings Data from the National Health Interview Survey In 2021–2022, 1.3% of adults had myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). The percentage of adults who had ME/CFS increased with age through ages 60–69 and then declined among those age 70 and older. White...

Authors from the Technological University Dublin (Ireland) & the Eindhoven University of Technology (Netherlands) Received 30 Jan 2023, Accepted 04 Oct 2023, Published online: 29 Nov 2023 Abstract Two factors that decrease the replicability of studies in the scientific literature are...

Many High-Quality Randomized Controlled Trials in Sports Physical Therapy Are Making False-Positive Claims of Treatment Effect: A Systematic Survey Chris Bleakley; Jonathan Reijgers; James M. Smoliga Objective To examine the risk of false-positive reporting within high-quality randomized...

Interesting article about "a wildly popular UW [University of Washington] course taught by Bergstrom and West, 'Calling Bullshit: Data Reasoning in a Digital World,' and a book with a similar name." https://artsci.washington.edu/news/2023-09/hows-your-bs-detector (line breaks added) FYI...

How prior and p-value heuristics are used when interpreting data Ethan Hermer, Ashley A Irwin, Dominique G Roche, Roslyn Dakin Abstract Scientific conclusions are based on the ways that researchers interpret data, a process that is shaped by psychological and cultural factors. When...

ONS Health state life expectancies, UK: 2018 to 2020 1. Main Points Healthy life expectancy (HLE) at birth in the UK showed no significant change between 2015 to 2017 and 2018 to 2020. In Scotland, there was a statistically significant decrease of more than a year in male HLE at birth...

The Works in Progress Newsletter The stats gap Ellen Pasternack Extract: What you’ve been taught is something anthropologist Richard McElreath calls a ‘golem’. Golems, most famously the Golem of Prague, are powerful clay giants (or so the legend goes) created to defend local...

Background and Objective Meta-analysis and meta-regression are often highly cited and may influence practice. Unfortunately, statistical errors in meta-analyses are widespread and can lead to flawed conclusions. The purpose of this article was to review common statistical errors in...

Performing scientific research without falling victim to one of the many research design, analysis, and reporting pitfalls can be challenging. As a medical statistician with research experience in a variety of medical disciplines, I regularly come across (and sometimes have been the cause of)...

Background Estimated effects vary across studies, partly because of random sampling error and partly because of heterogeneity. In meta-analysis, the fraction of variance that is due to heterogeneity is estimated by the statistic I2. We calculate the bias of I2, focusing on the situation where...

Clarifying the causes of consistent and inconsistent findings in genetics Saloni Dattani, David M. Howard, Cathryn M. Lewis, Pak C. Sham Abstract As research in genetics has advanced, some findings have been unexpected or shown to be inconsistent between studies or datasets. The reasons these...

One statistical analysis must not rule them all, 2022, Wagenmakers, Sarafoglou, Aczel, Nature, https://www.nature.com/articles/d41586-022-01332-8 "Any single analysis hides an iceberg of uncertainty. Multi-team analysis can reveal it. A typical journal article contains the results of only one...

Hi All, I have just had a request from the Department of Health & Social Care policy team for a citation supporting the often cited statistic that 25% of people with ME are severely or very severely affected. Does anyone have a supported source for this? My first round of searches (ME-paedia...

Abstract We surveyed all articles in the Journal of Personality and Social Psychology (JPSP), Psychological Science (PS), and the Journal of Experimental Psychology: General (JEP:G) that mentioned the term “Likert,” and found that 100% of the articles that analyzed ordinal data did so using a...

This isn't new, but I don't think it has been highlighted much, if at, all online Table listing the percentage of Canadians with chronic fatigue syndrome, fibromyalgia, multiple chemical sensitivity, etc. who have 19 specific co-morbidities, based on a official survey See pages 5-8...

Curiosity value... AD, because it was printed in 1632 and there was no CE then

If a research study describes something as having a 0.6 fold change. Does that mean it is higher or lower?

https://www.vox.com/latest-news/2019/3/22/18275913/statistical-significance-p-values-explained I have not read the article but i do agree from previous experience

https://johnthejack.com/2019/03/16/toxic-numbers/