Exact(6)
Hence we decided to extend recruitment to the trial, but alter the consent and follow-up procedures so that follow-up was only requested at three months.
Nearly 60% of randomized controlled trials had difficulties in meeting recruitment target or needed to extend recruitment period [ 4].
Due to time and funding restrictions, it was not possible to extend recruitment activities beyond this period.
When the initial recruitment strategy, through the children's centres, failed to meet projected targets we decided to extend recruitment by involving general practices in the four study areas.
The ethical permission secured for the study included all hospitals within each health authority providing an ability to extend recruitment if needed.
Recruiting dialysis participants for both cohort studies and trials have often resulted in lower participation, the need to extend recruitment time, or inclusion of prevalent patients to achieve targets.
Similar(54)
We found fewer diabetic patients at TC than expected (6) and extended recruitment to new patients after community screenings and confirmation of diagnosis with TC providers.
When it was determined that our rate of loss to follow-up was actually closer to 15%, we extended recruitment so that we enrolled 246 women.
Sites which extended recruitment had an additional stratum added, with further 2-week periods sampled according to the duration of extension.
The changes in recruitment strategies included: 1) extending recruitment clinics to include cardiology and primary care clinics in addition to the originally designated heart failure clinic; 2) extending the recruitment period from the originally planned one year and two months to two years and three months; 3) adding telephone recruitment.
However, because only 77 children had been enrolled after 6 months, starting in September 2007 we expanded recruitment into four other parishes (Jefferson, St. Bernard, St. Tammany, and Plaquemines Parishes) and extended recruitment for an additional 6 months (September 2007 through February 2008).
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