Rating Evidence

Rating	Level of Evidence1a (Strong) : Well-designed meta-analysis, or 2 or more high quality RCTs (PEDro ≥ 6) showing similar findings 1b(Moderate): 1 RCT of high quality (PEDro ≥ 6) 2a (Limited): At least 1 fair quality RCT (PEDro = 4-5) 2b (Limited): At least one poor quality RCT (PEDro < 4) or well-designed non-experimental study (non-randomized controlled trial, quasi-experimental studies, cohort studies with multiple baselines, single subject series with multiple baselines, etc.) 3 (Consensus): Agreement by an expert panel or a group of professionals in the field or a number of pre-post studies all with similar results 4 (Conflicting): Conflicting evidence of 2 or more equally well-designed studies 5 (No evidence): No well-designed studies - only case studies/case descriptions or cohort studies/single subject series with no multiple baselines)
1a	Strong
1b	Moderate
2a	Limited
2b	Limited
3	Consensus
4	Conflict
5	Insufficient