Results The 2019 EULAR/ACR classification criteria for SLE include positive ANA at least once as obligatory entry criterion; followed by additive weighted criteria grouped in seven clinical ...

No patient presented an erosive arthritis. Anti-RNP antibodies positivity was associated with increased B cell biomarkers (table 2), with higher median gammaglobulins (22.5 vs 13.0 g/L, p<0.01) and ...