StudySequence GenerationAllocation ConcealmentOutcome Assessor BlindedPatient BlindingAttritionITT?Power CalculationBaseline Comparable
Payne 1995Unclear; not statedunclear; not statedno not blindedno not blindedyesnonot statedyes
Robinson 2006Adequate; minimisationadequate; Central telephone randomisationno not blindedno not blindedno (≤ 20% dropouts)yesnonot stated

From: Appendix D, Quality assessment of studies

Cover of Irritable Bowel Syndrome in Adults
Irritable Bowel Syndrome in Adults: Diagnosis and Management of Irritable Bowel Syndrome in Primary Care [Internet].
NICE Clinical Guidelines, No. 61.
National Collaborating Centre for Nursing and Supportive Care (UK).
Copyright © 2008, Royal College of Nursing.

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