Table 1

Baseline characteristics of patients from the Almenara Lupus Cohort

CharacteristicsN (%) or mean (SD)
Female gender194 (92.8%)
Ethnicity
 Mestizo204 (97.6%)
 White2 (1.0%)
 Black3 (1.4%)
Age at diagnosis, years36.3 (14.0)
Disease duration, years6.5 (6.0)
SLEDAI-2K2.2 (3.2)
SDI1.3 (1.5)
Prednisone daily dose, mg/day3.2 (3.8)
Antimalarial use
 Never11 (5.3%)
 Past48 (23.0%)
 Current150 (71.8%)
Immunosuppressive drug use
 Never45 (21.5%)
 Past60 (28.7%)
 Current104 (49.8%)
SF-36
 PCS52.0 (22.3)
 MCS53.9 (20.4)
 Physical functioning60.9 (26.4)
 Role physical42.6 (43.8)
 Bodily pain56.6 (25.4)
 General health47.0 (19.6)
 Vitality53.7 (18.1)
 Social functioning60.5 (24.1)
 Role emotional47.8 (42.7)
 Mental health60.7 (17.8)
PROMIS self-efficacy
 Self-efficacy for managing daily activities45.5 (7.5)
 Self-efficacy for managing symptoms47.7 (8.2)
 Self-efficacy for managing medications and treatments43.9 (7.0)
 Self-efficacy for managing emotions44.6 (8.0)
 Self-efficacy for managing social interactions42.5 (7.9)
 General self-efficacy47.2 (10.4)
  • MCS, mental component summary; PCS, physical component summary; PROMIS, Patient-Reported Outcomes Measurement Information System; SDI, Systemic Lupus International Collaborating Clinics (SLICC)/American College of Rheumatology Damage Index; SF-36, Short-Form 36; SLEDAI-2K, Systemic Lupus Erythematosus Disease Activity Index 2K.