Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 7, 2011; 17(37): 4235-4241
Published online Oct 7, 2011. doi: 10.3748/wjg.v17.i37.4235
Table 2 Quality assessment of randomized controlled trials included in the meta-analysis
StudyMethodological quality items
RandomizationAllocation concealmentDouble blindingITT analysis
Moraes et al[15]YesYesYesYes
Jacobson et al[16]YesYesYesYes
Sathlaraj et al[17]YesYesYesYes