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Table 4 Primary outcome(s) (n = 43 unless otherwise stated)

From: A systematic review of the use of an expertise-based randomised controlled trial design

  Number Percentage
Primary outcome   
Number of primary outcomes   
 None 17 40
 1 15 35
 2 5 12
 3 3 7
 4 2 5
 5 0 0
 6 1 2
Type of outcome (n = 48)   
 Pain 4 8
 Generic quality of life 2 4
 Disease-specific quality of life 14 29
 Treatment success 4 8
 Other patient-reported outcome 8 17
 Mortality, composite including mortality 2 4
 Process measure 8 17
 Functional measure 6 13
Valid observations (n = 26)a, median (interquartile range), range 127 (78–435), 24–4752
  1. aFor studies with more than one primary outcome, the maximum available number of observations was used