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To allow for an average attrition rate of 50%, 360 participants need to be recruited.
A recent meta-analysis found an average attrition rate of 11.1% (2.4 26.2%) [ 3].
A recent meta-analysis found an average attrition rate of 11.1% (range: 2.4 26.2%) [ 3] while a UK ten-year retrospective study found a dropout rate of 14% [ 4].
This is lower than the WHO estimated average attrition rate of of 5% per year for doctors, nurses and midwives applied in 13 sub-Saharan countries (due to mortality, international migration and retirement) [ 61].
An average attrition rate of 21% is typical in lifestyle interventions for weight loss [ 27], in a recent review of long term weight loss studies in obese adults losses to follow-up typically between 30 60% were reported [ 32].
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The average attrition rate for college freshman at U.S. universities is around 20%, Phillips says.
Of course, charities are operating in one of the few spaces where players have to reacquire their customers every year and the average attrition rate for first-time donors is between 50 and 80percentt, Arneill said.
The average attrition rate (reduction rate of radius) was found to be approximately 0.2 0.7 nm/s.
The experimental results are consistent with predictions of attrition fragments arising from crystal-impeller collisions, with a strong effect of impeller hardness on the average attrition rate, together with turbulent fluid drag-induced particle attrition.
There is no significant difference between the average attrition rate in the OPM historical data set and the model data output for any of the three model types.
We calculated average attrition rates by type of facility for selected several cadres of health workers (excluding foreign workers).
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CEO of Professional Science Editing for Scientists @ prosciediting.com