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Table 2 Summary of results from a two-stage randomised trial of medical vs. surgical treatment

From: Estimation of treatment preference effects in clinical trials when some participants are indifferent to treatment choice

Actual treatment   Choice arm (Total sample size = m) Random arm (Total sample size = n)
   Chose medical Chose surgical Undecided (and randomised)  
Medical Sample size 19   45 49
Mean 16.6   18.4 17.2
SD 8.7   10.7 5.2
Surgical Sample size   21 45 48
Mean   5.9 4.3 5.1
SD   7.2 5.2 7.7