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Estimating the mean and variance from the median, range, and the size of a sample
BACKGROUND: 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 trials only report the median, range and the size of the...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2005
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1097734/ https://www.ncbi.nlm.nih.gov/pubmed/15840177 http://dx.doi.org/10.1186/1471-2288-5-13 |