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Table 2 Characteristics of the 55 included control cases a

From: Application of the 2012 Systemic Lupus International Collaborating Clinics classification criteria to patients in a regional Swedish systemic lupus erythematosus register

Characteristics

Control cases ( n= 55)

Mean

(range)

Fulfilled ACR-82 criteria, n

2.2

(1 to 3)

Age, yr

49.0

(18 to 85)

Female sex, %

87.3

Clinical manifestations (%)

 

Acute cutaneous lupus

34.5

Chronic cutaneous lupus

1.8

Photosensitivity

30.9

Nonscarring alopecia

10.9

Oral ulcers

3.6

Arthritis

38.2

Pleuritis

12.7

Pericarditis

9.1

Renal disorder

3.6

Biopsy-proven lupus nephritis

3.6

Neurologic disorder (ACR-82)

0

Neurologic disorder (SLICC-12)

3.6

Haemolytic anaemia

1.8

Leukopenia

14.5

Lymphopenia

12.7

Thrombocytopenia

7.3

Immunologic criteria (%)

 

Antinuclear antibody

89.1

Anti-dsDNA

10.9

Anti-Sm

0

Lupus anticoagulant

36.5

Anti-cardiolipin

21.6

Anti-β2-glycoprotein-1b

21.6

Low complement

14.5

Direct Coombs testc

13.6

  1. aACR-82, American College of Rheumatology 1982 criteria; Anti-dsDNA, Antibodies to double-stranded DNA; Anti-Sm, Anti-Smith antibody; SLICC-12, 2012 Systemic Lupus International Collaborating Clinics criteria. Criteria were tested on any occasion in b37 of 55 cases and c44 of 55 cases.