Skip to main content

Table 2 Comparison of in-practice and automated allocation methods

From: Automated recruitment and randomisation for an efficient randomised controlled trial in primary care

  In-practice Automated
Time to start Sooner (3 months) Later (7 months)
Randomisation design In-house In-house/third party
Randomisation conduct In-house Third party
Randomisation record Full Partial
Labour intensive Monthly general practice visits over 18 months No requirement for practice visits
Outcome data Extracted at general practice visits Extracted at general practice visits
Missing data Present for 10/178 (6%) practice months 0/72 practice months
Trial outcomes Generally consistent Generally consistent