Table 1.

Baseline characteristics of enrolled patients. Values are median (interquartile range) unless otherwise specified.

CharacteristicsValues
Age, yrs38.0 (31.0–47.0)
Disease onset age, yrs29.1 (20.4–38.1)
Female, n (%)469 (93.4)
Disease duration, yrs7.9 (3.7–14.0)
Education duration, yrs14.0 (12.0–16.0)
SBP, mmHg117.0 (110.0–127.0)
DBP, mmHg71.0 (65.0–79.0)
Height, cm160.0 (156.0–164.0)
Weight, kg55 (50.0–60.2)
BMI, kg/m221.4 (19.5–23.6)
Waist circumference, cm73.0 (67.0–81.0)
Hip circumference, cm90.0 (85.0–96.0)
Marital status, n (%)
  Single149 (29.7)
  Married314 (62.5)
  Divorced26 (5.2)
  Bereaved13 (2.6)
Employment, n (%)235 (46.8)
Family history of rheumatic diseases, n (%)53 (10.6)
Alcohol consumption, n (%)142 (28.3)
Smoking status, n (%)
  Never447 (89.0)
  Current36 (7.2)
  Ex-smoker19 (3.8)
ESR, mm/h19.5 (10.0–32.0)
CRP, mg/dl0.09 (0.06–0.30)
Anti-dsDNA positivity, n (%)269 (53.7)
Complement 3, mg/dl79.2 (67.0–95.5)
Complement 4, mg/dl15.3 (10.4–20.4)
CH50, U/ml47.7 (37.0–56.7)
BDI7.0 (3.8–13.0)
SF-36 health survey
  PCS48.7 (42.6–53.8)
  MCS49.6 (40.6–55.9)
PGA1.0 (0.5–1.0)
SLEDAI4.0 (2.0–6.0)
CCIa1.0 (1.0–2.0)
Charlson probability, 10-yr survival95.9 (90.1–95.9)
SDI ≥ 1, n (%)106 (21.1)
Medications, n (%)
  Hydroxychloroquine490 (97.6)
  Methotrexate58 (11.6)
  Corticosteroid480 (95.6)
  Azathioprine154 (30.7)
  Mycophenolate mofetil111 (22.1)
  Tacrolimus49 (9.8)
  • SBP: systolic blood pressure; DBP: diastolic blood pressure; BMI: body mass index; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; BDI: Becker Depression Inventory; SF-36: Medical Outcomes Study Short Form-36; PCS: physical component score; MCS: mental component score; PGA: physician’s global assessment; SLEDAI: The Systemic Lupus Erythematosus Disease Activity Index; CCIa: age-adjusted Charlson Comorbidity Index; SDI: Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index.