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Table 2 Factors influencing harm reported in the abstract

From: Abstracts in high profile journals often fail to report harm

  cPR (CI95%)
Funding*  
   drug or device companies 1
   public institutions 0.77 (0.60 to 0.97)
Placebo  
   other control 1
   placebo 0.97 (0.81 to 1.13)
Sample size  
   less than 20 1
   equals or more than 200 1.14 (0.96 to 1.33)
Direction of effect  
   beneficial to intervention 1
   neutral or against the intervention 1.00 (0.83 to 1.19)
Harm in text  
   no harm in text 1
   harm in text 8.71 (5.90 to 12.01)
Clinical significance of harm  
   no mortality nor composite in text 1
   mortality or composite in text 1.43 (1.22 to 1.65)
Harm in text statistically significant  
   not statistically significant 1
   statistically significant 1.70 (1.47 to 1.92)
  1. cPR: Prevalence Ratio estimated by logistic regression, and corrected by applying the method proposed by Zhang [24]; CI: Confidence Intervals with error type I equals 5%; *363 articles except for funding in which sample size was n = 226