Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 14, 2015; 21(10): 3072-3084
Published online Mar 14, 2015. doi: 10.3748/wjg.v21.i10.3072
Table 4 Numbers and causes of reported withdrawals in the included clinical trials in the meta-analysis
StudyGroup (n)Cause of withdrawal
Adverse effectNon-complianceLack of efficacySymptom worsening
Drouault-Holowacz et al[37]Placebo (53)NR1NRNR
Probiotic (53)NR5NRNR
Kajander et al[33]Placebo (43)2NRNRNR
Probiotic (43)2NRNRNR
Kruis et al[34]Placebo (60)NRNR2NR
Probiotic (60)2NRNRNR
Enck et al[35]Placebo (148)NR11NR
Probiotic (149)2NRNRNR
Enck et al[36]Placebo (150)2NRNRNR
Probiotic (148)3NRNRNR
Dapoigny et al[46]Placebo (26)NRNRNR3
Probiotic (26)NRNRNRNR
Ki Cha et al[38]Placebo (25)NRNRNR2
Probiotic (25)NRNRNRNR