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The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials
Abstract Background Cluster randomised trials with unequal sized clusters often have lower precision than with clusters of equal size. To allow for this, sample sizes are inflated by a modified version of the design effect for clustering. These inflation factors are valid under the assumption that r...
Gorde:
| Argitaratua izan da: | BMC Medical Research Methodology |
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| Egile Nagusiak: | , , |
| Formatua: | Artikulua |
| Argitaratua: |
BMC
2019-06-01
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| Gaiak: | |
| Sarrera elektronikoa: | http://link.springer.com/article/10.1186/s12874-019-0760-6 |
| Etiketak: |
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