# \#subject-recruit

**URL:** https://discourse.datamethods.org/tag/subject-recruit/72.md

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## [Estimating recruitment rate based on feasibility studies](https://discourse.datamethods.org/t/estimating-recruitment-rate-based-on-feasibility-studies/453)

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**Author:** [@fgzampieri](https://discourse.datamethods.org/u/fgzampieri)\
**Replies:** 6\
**Last updated:** [September 6, 2018, 12:29pm UTC](https://discourse.datamethods.org/t/estimating-recruitment-rate-based-on-feasibility-studies/453 "2018-09-06T12:29:49Z")

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I was asked to design a trial with strict inclusion criteria. I am concerned that the population will be uncommon and consent refusal rate will be high and I have no prior data to generate any estimate. I need an estimat…