Levels of evidence and recommendation grades for consensus statement on treatment of DM and JDM .
|LEVELS OF EVIDENCE||RECOMMENDATION GRADES|
|(I) Systematic review or randomized controlled trial (RCT) meta-analysis
(III) non-randomized comparative study
(IV) (IVa) cohort study
(IVb) case–control and cross-sectional studies
(V) case report and case series
(VI) expert opinion.
|(A) strongly recommended for use in clinical practise because of strong scientific evidence
(B) recommended for use in clinical practise because of some scientific evidence
(C1) can be considered for use in clinical practise
(C2) should not be considered for use in clinical practise because of no scientific evidence
(D) recommend against use in clinical practise because of some scientific evidence
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