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. 2012 Jun 18;13:84. doi: 10.1186/1745-6215-13-84

Table 6.

Harms analysis populations in 69 trials that presented harms analyses

  Number (%a)
Harms analysis population specifically defined in methods
26 (38)
Defined harms analysis population
Based on actual treatment received (that is, including all patients who had received at least one administration of treatment)
18
 
Intention to treat
5
 
All who started allocated treatment
2
 
All who completed allocated treatment
1
Harms analysis population not specifically defined in methods
43 (62)
Inferred harms analysis population
Stated ‘safety population’ without further definition
1
 
Apparently analysed as per efficacy outcomes
33
 
Intention to treat definition
31
 
Per protocol definition
2
  No details given of harms or benefit analysis population 9

aThe number of trials with harms analyses presented (69) is used as the denominator for %.