Estimating the mean and variance from the median, range, and the size of a sample

<p>Abstract</p> <p>Background</p> <p>Usually the researchers performing meta-analysis of continuous outcomes from clinical trials need their mean value and the variance (or standard deviation) in order to pool data. However, sometimes the published reports of clinical t...

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Bibliographic Details
Main Authors: Djulbegovic Benjamin, Hozo Stela, Hozo Iztok
Format: Article
Language:English
Published: BMC 2005-04-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/5/13