Skip to main content

Table 2 Assessment of methodological quality of randomised trials:

From: A systematic review and meta-analysis: probiotics in the treatment of irritable bowel syndrome

Paper Nobaek
2000
O Sullivan
2000
Niedzelin
2001
Kim
2003
Saggioro
2004
Kajander
2006
O' mahoney
2005
Gawronska
2007
Bausserman
2005
Whorwell
2006
Niv
2005
Kim
2005
Guyonnet
2007
Gade
1989
Randomization - - - - - + + + + - - - +* +
Concealment of Allocation - + - - - + + + + - - - +* +
Double Blinding + + - + - + + + + + + + +* +
Intention to treat - + + + + - + + - + + + + +
Total 1 3 1 2 1 3 4 4 3 2 2 2 4* 4
  1. + Clear reporting of the methodological quality
  2. - Not clear from the paper
  3. * Clarified after emailing author