Defining the null hypothesis

Virus B is a newly emerged viral strain for which there is no current treatment. Drug A was identified as a potential treatment for infection with virus B. In this pre-clinical phase of drug testing, the effects of drug A on survival after infection with virus B was tested. There was no difference i...

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Main Author: Saxon, Emma
Format: Online
Language:English
Published: BioMed Central 2015
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4552992/
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spelling pubmed-45529922015-08-30 Defining the null hypothesis Saxon, Emma Comment Virus B is a newly emerged viral strain for which there is no current treatment. Drug A was identified as a potential treatment for infection with virus B. In this pre-clinical phase of drug testing, the effects of drug A on survival after infection with virus B was tested. There was no difference in survival between control (dark blue) and drug A-treated, virus B-infected mice (green), but a significant difference in survival between control and virus B-infected mice without drug treatment (light blue, z-test for proportions P < 0.05, n = 30 in each group). The authors therefore concluded that drug A is effective in reducing mouse mortality due to virus B. BioMed Central 2015-08-29 /pmc/articles/PMC4552992/ /pubmed/26319022 http://dx.doi.org/10.1186/s12915-015-0181-x Text en © Saxon. 2015 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Saxon, Emma
spellingShingle Saxon, Emma
Defining the null hypothesis
author_facet Saxon, Emma
author_sort Saxon, Emma
title Defining the null hypothesis
title_short Defining the null hypothesis
title_full Defining the null hypothesis
title_fullStr Defining the null hypothesis
title_full_unstemmed Defining the null hypothesis
title_sort defining the null hypothesis
description Virus B is a newly emerged viral strain for which there is no current treatment. Drug A was identified as a potential treatment for infection with virus B. In this pre-clinical phase of drug testing, the effects of drug A on survival after infection with virus B was tested. There was no difference in survival between control (dark blue) and drug A-treated, virus B-infected mice (green), but a significant difference in survival between control and virus B-infected mice without drug treatment (light blue, z-test for proportions P < 0.05, n = 30 in each group). The authors therefore concluded that drug A is effective in reducing mouse mortality due to virus B.
publisher BioMed Central
publishDate 2015
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4552992/
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