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Table 2 Grade of recommendation and strength of evidence

From: Position article and guidelines 2018 recommendations of the Brazilian Society of Rheumatology for the indication, interpretation and performance of nailfold capillaroscopy

A:

Experimental or observational studies with better consistency

B:

Experimental or observational studies with less consistency

C:

Case reports/uncontrolled studies

D:

Opinions without critical evaluation, based on consensus, physiological studies, or animal models

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Advances in Rheumatology

ISSN: 2523-3106