Table 1

Demographic, clinical and laboratory characteristics of patients with SLE

CharacteristicValue
No. of patients10
Age at diagnosis, mean±SD years39.9±12.5
Age at sample collection, mean±SD years57.9±8.8
Female, %90
Race/ethnicity, %
 Caucasian50
 African-American40
 Asian10
Disease duration*, mean±SD years18.1±11.6
ACR or SLICC classification criteria, %
 Malar rash40
 Discoid rash10
 Photosensitivity50
 Oral/nasopharyngeal ulcers90
 Arthritis80
 Proteinuria30
 Pleurisy50
 Pericarditis30
 Psychosis0
 Seizures10
 ANA90
 Anti-dsDNA70
 Anti-Sm10
 Lupus anticoagulant (by dRVVT)40
 Leucopenia40
 Thrombocytopenia20
 Haemolytic anaemia10
 Coombs test10
At time of sample collection
 SLEDAI, mean±SD2.5±2.2
 PGA, mean±SD1.0±0.9
 Antihypertensive use, %80
 Statin use, %80
 Prednisone use, %30
 Immunosuppressant use, %30
 Plaquenil use, %70
  • *Up to their date of sample collection.

  • ACR, American College of Rheumatology; ANA, antinuclear antibody; dRVVT, Dilute Russell's viper venom time; dsDNA, double stranded DNA; PGA, Physician Global Assessment; SD, standard deviation; SLEDAI, SLE Disease Activity Index; SLICC, Systemic Lupus Erythematosus International Collaborating Clinics.