Fig. 6
From: Reliability of diagnosis and clinical efficacy of visceral osteopathy: a systematic review
Assessment of methodological risk of bias for the efficacy studies taken together. Green shading indicates a low risk of bias, yellow an unclear risk of bias and red a high risk. Grey shading color indicates non-applicable items. For general assessment of bias, purple shading and cyan shading indicates a major doubt and a minor doubt as to the overall risk of bias, respectively