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. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: Arthritis Rheumatol. 2022 Jan 4;74(2):263–273. doi: 10.1002/art.41930

Table 2:

Baseline characteristics of patients used for patient profile development

Variables Patients for Step-3 (N=120) Patients for Step-6 (N=66)
Mean +/− SD or (N) % Mean +/− SD or (N)%
Age at LN onset (year) 13.47 ± 3.06 13.50 ± 2.89
Female (96) 80% (55) 83%
Race
White (59) 49% (35) 53%
Black or African American (45) 37.5% (25) 38%
Other (13) 11% (5) 8%
Unknown (3) 2.5% (1) 1%
Ethnicity
Hispanic (35) 29% (19) 29%
Non-Hispanic (84) 70% (47) 71%
Unknown (1) 1% (0) 0%
Laboratory testing
UPCR (mg/mg)¥ 3.04 ± 3.85 2.77 ± 2.46
Serum Creatinine (mg/dL) 0.90 ± 0.70 0.98 ± 0.89
SDI Total Score at LN onset 0.19 ± 0.58 0.15 ± 0.47
SLEDAI-2K;
% with feature present
Seizure (2) 2% (1) 2%
Organic Brain Syndrome (3) 3% (1) 2%
Visual Disturbances (2) 2% (0) 0%
Cranial Nerve Disorder (1) 1% (1) 2%
Lupus Headache (1) 1% (1) 2%
CVA# (1) 1% (0) 0%
Vasculitis (10) 10% (8) 14%
Arthritis (45) 43% (28) 49%
Myositis (7) 7% (5) 9%
Urinary Casts (36) 35% (17) 30%
Hematuria (80) 77% (47) 82 %
Proteinuria (92) 88% (53) 93%
Pyuria (60) 58% (36) 63%
Rash (58) 56% (34) 60%
Alopecia (7) 7% (4) 7%
Mucosal Ulcers (13) 12.5% (8) 14%
Pleurisy (7) 7% (1) 2%
Pericarditis (12) 12% (5) 9%
Low Complement (96) 92 % (53) 93%
Increased DNA Binding (93) 89% (53) 93%
Fever (21) 20% (12) 21%
Thrombocytopenia (15) 14% (9) 16%
Leukopenia (19) 18% (12) 21%
SLEDAI-2K Total Score 19.88 ± 7.43 20.86 ± 6.78
Oral Prednisone (equivalent) (mg/day)
<7.5 (11) 9% (6) 9%
7.5, 16 (7) 6% (1) 2%
16, 45 (51) 42.5% (28) 42%
>45 (51) 42.5% (31) 47%
Other medications at Visit-1; % present
IV Methylprednisolone (3) 2.5% (1) 2%
Mycophenolate mofetil (3) 2.5% (1) 2%
Cyclophosphamide (33) 27.5% (26) 39%
Angiotensin system inhibitors (51) 42.5% (24) 36%
¥

Urine protein creatinine ratio (UPCR)

Systemic Lupus International Collaborating Clinics/ACR Damage Index. For item definitions please see: Gladman D, Ginzler E, Goldsmith C, Fortin P, Liang M, Urowitz M, et al. The development and initial validation of the Systemic Lupus International Collaborating Clinics/American College of Rheumatology damage index for systemic lupus erythematosus. Arthritis and rheumatism. 1996;39(3):363–9.

SLE disease activity index, version 2K. For item definitions please see: Gladman DD, Ibanez D, Urowitz MB. Systemic lupus erythematosus disease activity index 2000. J Rheumatol. 2002;29(2):288–91.

#

Cerebrovascular accident (CVA)

Other corticosteroid dosages were converted to prednisone equivalent doses