Table 1.
N (%) | |
Women | 1085 (92.9) |
Race | |
White | 643 (55.1) |
Black African Ancestry | 460 (39.4) |
Other | 65 (5.6) |
History of seropositive status | |
ANA+ | 1075 (92.0) |
Anti-dsDNA+ | 591 (50.6) |
ANA+ or anti-dsDNA+ | 1093 (93.6) |
Current smoker at cohort entry | 202 (17.3) |
Past smoker at cohort entry | 465 (39.8) |
Adjusted mean SELENA-SLEDAI <3 in background period | 641 (54.9) |
SLE therapies* ever prescribed in observation period | |
Oral prednisone (any dose) | 702 (60.1) |
Oral prednisone >7.5 mg/day | 428 (36.6) |
HCQ | 759 (65.0) |
NSAID | 447 (38.3) |
Immunosuppressants† | 262 (22.4) |
Obesity in observation period (BMI >27.8 for men and BMI >27.3 for women) | 604 (51.7) |
Hypertension in observation period (SBP ≥140 or DBP ≥90 mm Hg) | 652 (55.8) |
Diabetes therapy with oral hypoglycaemic agent or insulin | 118 (10.1) |
Median (range) | |
Age at cohort entry‡, years | 36 (11–77) |
Age at SLE diagnosis§, years | 31(5–75) |
Age at last assessment in follow-up period, years | 46 (20–85) |
Adjusted mean SELENA-SLEDAI in background period | 3 (0–16) |
Disease duration from SLE diagnosis to cohort entry, years | 2 (0–39) |
Disease duration from SLE diagnosis to last assessment, years | 11 (2–48) |
Follow-up time from cohort entry to last assessment, years | 7 (2–23) |
*Categories not mutually exclusive.
†Leflunomide, mycophenolate, cyclophosphamide, tacrolimus, azathioprine, methotrexate or rituximab (biologic).
‡Less than 2% of cohort enrolled <18 years of age.
§Less than 5% of cohort diagnosed with SLE <18 years of age.
ANA, antinuclear antibodies; BMI, body mass index in kg/m2; DBP, diastolic blood pressure; dsDNA, double-stranded DNA; HCQ, hydroxychloroquine; NSAID, non-steroidal anti-inflammatory drug; SBP, systolic blood pressure; SELENA-SLEDAI, Safety of Estrogens in Lupus Erythematosus National Assessment-SLE Disease Activity Index; SLE, systemic lupus erythematosus.