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Table 6 Standardised target and observed effect sizes by clinical area

From: A study of target effect sizes in randomised controlled trials published in the Health Technology Assessment journal

  Frequency Standardised target effect size Standardised observed effect size
Count Median Median
Clinical area
 Cardiovascular 11 0.171 0.050
 Critical care 2 0.151 0.016
 Dermatology 9 0.368 0.061
 Diabetes 3 0.316 0.166
 Gastrointestinal 9 0.295 0.343
 Geriatrics 2 0.290 0.331
 Immunology 2 0.509 0.432
 Lifestyle 5 0.300 0.065
 Mental Health 18 0.332 0.165
 Neurology 4 0.270 0.056
 Obstetrics and Gynaecology 2 0.252 0.341
 Oncology 4 0.255 0.143
 Orthopaedics 6 0.331 0.164
 Other 3 0.180 0.041
 Paediatrics 9 0.362 0.230
 Renal/Urology 6 0.296 0.019
 Respiratory 7 0.229 0.009
 Stroke 5 0.285 0.133