Trials which randomize practices II: sample size.
Open Access
- 1 February 1998
- journal article
- review article
- Published by Oxford University Press (OUP) in Family Practice
- Vol. 15 (1) , 84-87
- https://doi.org/10.1093/fampra/15.1.84
Abstract
When practices are randomized in a trial and observations are made on the patients to assess the relative effectiveness of the different interventions, sample size calculations need to estimate the number of practices required, not just the total number of patients.Keywords
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