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Power calculations are a key study design step in research studies. However, such power analysis is often inappropriately performed in the medical literature by attempting to help interpret the findings of a completed study, instead of attempting to aid ...
M. Heckman, John M. Davis, C. Crowson
semanticscholar +1 more source
Fisher's exact approach for post hoc analysis of a chi-squared test. [PDF]
This research is motivated by one of our survey studies to assess the potential influence of introducing zebra mussels to the Lake Mead National Recreation Area, Nevada.
Guogen Shan, Shawn Gerstenberger
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The Influence of Maturity Status on Muscle Architecture in School-Aged Boys [PDF]
Purpose: To determine the differences in muscle architecture of the lower limb in pre-peak height velocity (PHV), circa-PHV, and post-PHV boys. Method: Muscle architecture variables from both the gastrocnemius medialis (GM) and vastus lateralis (VL) were
Baxter-Jones+75 more
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Erenumab versus topiramate: post hoc efficacy analysis from the HER-MES study
Objective HER-MES was the first head-to-head, phase 4 trial to assess the tolerability and effectiveness of erenumab against standard of care treatment (topiramate). This post hoc analysis compared the efficacy of erenumab with topiramate in patients who
Marc Ehrlich+4 more
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Post hoc ergo propter hoc [PDF]
The Greeks and Romans recognized this fallacy in argument thousands of years ago. Because one event follows another event does not mean that the first event caused the second ( post hoc ergo propter hoc ). However, in contemporary medical news this logic is not understood.
openaire +3 more sources
How can I choose an explainer?: An Application-grounded Evaluation of Post-hoc Explanations [PDF]
There have been several research works proposing new Explainable AI (XAI) methods designed to generate model explanations having specific properties, or desiderata, such as fidelity, robustness, or human-interpretability. However, explanations are seldom
Sérgio Jesus+6 more
semanticscholar +1 more source
Myocardial Infarction Following COVID-19 Vaccine Administration: Post Hoc, Ergo Propter Hoc?
Vaccination against coronavirus disease 2019 (COVID-19) is the safest and most effective strategy for controlling the pandemic. However, some cases of acute cardiac events following vaccine administration have been reported, including myocarditis and ...
Arianna Baronti+13 more
doaj +1 more source
Neural OCR Post-Hoc Correction of Historical Corpora
Optical character recognition (OCR) is crucial for a deeper access to historical collections. OCR needs to account for orthographic variations, typefaces, or language evolution (i.e., new letters, word spellings), as the main source of character, word ...
Lijun Lyu+3 more
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Background Nephropathy in Diabetes type 2 (NID-2) study is an open-label cluster randomized clinical trial that demonstrated that multifactorial intensive treatment reduces Major Adverse Cardiac Events (MACEs) and overall mortality versus standard of ...
F. C. Sasso+56 more
semanticscholar +1 more source
Post-hoc derivation of SOHO Michelson doppler imager flat fields [PDF]
<p><b>Context:</b> The SOHO satellite now offers a unique perspective on the Sun as it is the only space-based instrument that can provide large, high-resolution data sets over an entire 11-year solar cycle. This unique property enables
Bogart+10 more
core +3 more sources