Table 1.

Characteristics of SLICC patients included in this study

Characteristic	Number (%) or Mean (SD)
At baseline
Female Sex	1464 (88.6%)
Age at diagnosis, years	34.2 (13.4)
Ethnicity
White, US	512 (31.0%)
White, other	304 (18.4%)
Black	277 (17.7%)
Asian	251 (15.2%)
Hispanic	259 (15.7%)
Other	49 (3.0%)
Education level, years	11.5 (2.0)
Disease duration at baseline, months	5.6 (4.2)
Highest prednisone dose before baseline, mg/d	27.4 (25.7)
SDI baseline	0.2 (0.6)
Follow-up (Visits=12236)
Disease activity state
Remission off-treatment	2555 (20.9%)
Remission on-treatment	2419 (19.8%)
LDA-TC	556 (4.5%)
mLLDAS	680 (5.6%)
Active	6026 (49.2%)
Antimalarials use	8771 (71.7%)

SLICC: Systemic Lupus International Collaborating Clinics. LDA-TC: Low disease activity Toronto Cohort definition. mLLDAS: modified Lupus low disease activity state. SDI: SLICC/ACR: damage index.