Consistent	Most studies found similar or at least coherent conclusions (coherence means that differences are explainable).
		or
	If high-quality and up-to-date systematic reviews or meta-analyses exist, they support the recommendation.
Inconsistent	Considerable variation among study findings and lack of coherence
		or
	If high-quality and up-to-date systematic reviews or meta-analyses exist, they do not find consistent evidence in favor of the recommendation.