In a major RCT comparing epidural with non-epidural analgesia, 31% of women counselled agreed to participate, with 42% of those agreeing in the antenatal clinic being randomised, then 33% not receiving their intended epidural and 28% from the non-epidural group receiving an epidural [ 25].
A cluster randomised controlled trial with a usual medical care control group in which GPs or clinics were randomised rather than individuals may have been a more appropriate design for this intervention.
Clinics are randomised to either receive a multifaceted intervention designed to facilitate increased testing or to continue with usual care.
If several rheumatologists were working in the same clinic, they were randomised to the same arm.
The parents gave informed consent to take part in the study; however, due to the requirement to print the models in advance of the clinic visit, parents were randomised before they had been consented.
Within dedicated clinic groups, participants were randomised into fasting (n = 668) or non-fasting (n = 668) and, at the Parramatta pathology centre site, reminder letter after two weeks (n = 336) or no reminder (n = 334).
In a pilot trial set in a UK smoking cessation clinic, 20 smokers were randomised to receive emails containing.mp3 files and.pdf illustrations of the instructions for doing the body scan and isometric exercises.
Participants 66 antenatal clinics with 2511 pregnant women: 33 clinics including 1140 women were randomised to receive the peer support worker service and 33 clinics including 1371 women were randomised to receive standard care.
The inappropriateness of first surgery, according to modern standards, was due to the fact that most of the patients were randomised in specialised clinics where patients were addressed after just diagnostic explorative surgery undergone in minor general hospitals.
Thus, 26 memory clinics (10 in university hospitals, 16 in general hospitals) were randomised to the intervention group and 24 memory clinics (10 in university hospitals, 14 in general hospitals) to the control group (figure).
