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Table 1 Comparison of sensitivity analyses reported in medical and health economics journals in January 2012

From: A tutorial on sensitivity analyses in clinical trials: the what, why, when and how

Variable Medical journals Health economics journals
Number with statistical analysis 64$ 71
Number with sensitivity analysis (%) 13& (20.3) 22 (30.9)
Type of sensitivity analysis   
• Methods of analysis 5 12
• Outcome definitions 4 1
• Distributional assumptions 1 0
• Key assumptions* 2 4
• Missing data 1 4
• Baseline imbalances 0 1
  1. $Eighteen (18) of these were randomized controlled trials, of which only 3 reported sensitivity analyses.
  2. &Of which 3 were randomized controlled trials and 10 were observational studies.
  3. *Assumptions related to the participants, interventions or outcomes that can affect the results of the trial. For example, considering a second episode of cancer as a relapse instead of a continuation of the first; in a cost-effectiveness analysis, modifying the anticipated frequency of the intervention.