Skip to main content

Advertisement

Table 3 Adverse events (AE) in placebo groups compared with AEs in untreated groups

From: Rapid overview of systematic reviews of nocebo effects reported by patients taking placebos in clinical trials

Study Review in which study is contained Patients reporting AEs (n)
No treatment Placebo group Treatment group
n N n N N N
Barrett, 2010 Mahr, 2017 18 174 23 179 29 184
Bokmand, 2013 Koog, 2014a 1 34 8 29 5 31
Vas, 2012 Koog, 2014a 6 70 5 137 1 68
Choi, 2010 Koog, 2014a 1 14 2 15 2 15
Lee, 2009 Koog, 2014a 0 12 1 12 0 12
Sertel, 2009 Koog, 2014a 0 41 0 41 0 41
Friere, 2007 Koog, 2014a 0 12 0 12 0 12
Gioia, 2006 Koog, 2014a 0 25 0 25 0 25
Cabrini, 2006 Koog, 2014a 0 16 0 16 0 16
Melchart, 2005 Koog, 2014a 1 75 0 63 2 132
Linde, 2005 Koog, 2014a 2 76 1 81 4 145
Molsberger, 2002 Koog, 2014a 0 60 0 61 0 65
Leibing, 2002 Koog, 2014a 0 40 0 45 3 40
Medici, 2002 Koog, 2014a 0 20 0 23 2 23
Ma, 2010 Koog, 2014a 0 13 0 12 0 27
Total   29 682 40 614 48 809
Percentage   4.25%   6.51%   5.93%