Systematic Reviews
Copyright ©The Author(s) 2017.
World J Gastroenterol. Mar 28, 2017; 23(12): 2223-2233
Published online Mar 28, 2017. doi: 10.3748/wjg.v23.i12.2223
Table 2 Risk of bias ratings for included studies
Ref.YearRandom sequence generationAllocation concealmentBlinding of participants and personnelBlinding of outcome assessmentIncomplete outcome dataSelective reportingDropout treatment/placebo control (%)ITT or PP
Craske et al[23] 20112011LowLowLowLowLowLowInteroceptive Exposure:34; Stress Management: 36/16ITT
Drossman et al[24] 20032003LowLowLowLowLowLow13/24ITT
Gaylord et al[25] 20112011LowLowLowLowLowLow6/18ITT
Moser et al[26] 20132013LowLowLowLowLowLow0/2PP
Payne et al[27] 19951995UnclearUnclearLowUnclearLowLow0/0ITT
Shinozaki[28] 20102010UnclearUnclearHighHighLowLow0/0ITT