Strength of Recommendation | Directly Based on Level of Evidence |
---|---|
A | Category 1 evidence |
B | Category 2 evidence or extrapolated recommendations from category 1 evidence. |
C | Category 3 evidence or extrapolated recommendations from category 1 or 2 evidence. |
D | Category 4 evidence or extrapolated recommendations from category 2 or 3 evidence. |
EULAR: European League Against Rheumatism; EUVAS: European Vasculitis Society.