Table 1

Characteristics of 58 patients with rheumatoid arthritis

Variable

Statistic

Age, years

54.0 (47.9, 63.0)

Sex, female

34 (59%)

RA disease durations, months^†

18.8 (11.3, 35.9)

Pain (0 to 100 mm)

30 (16, 69)

Patient global assessment (0 to 100 mm)

28.5 (12, 63)

Morning stiffness duration, minutes

30 (15, 90)

HAQ disability index (0 to 3)

0.5 (0.1, 1.4)

RF positive^‡

53 (93%)

ACPA positive^§

44 (80%)

C-reactive protein, mg/L

5.9 (3.0, 11.1)

CMV IgG positive

28 (48%)

EBV IgG positive

55 (95%)

DAS28

4.4 (3.4, 5.4)

Radiographic damage scores (SHS), units

Total

18.5 (8, 37)

Erosions

11.5 (3, 30)

Joint space narrowing

4.5 (3, 12)

Medications

Methotrexate

49 (86%)

Biologic response modifiers

14 (24%)

Corticosteroids

27 (47%)

*Values are median (interquartile range) for continuous variables or number (%) for categorical variables. ^†The duration of disease from onset of arthritis symptoms. ^‡Of 57 patients tested. ^§Of 55 patients tested. ACPA, anti-citrullinated protein antibodies; CMV, cytomegalovirus; DAS28, Disease Activity Score in 28 joints, 4-variable version, using the C-reactive protein; EBV, Epstein-Barr virus; HAQ, Health Assessment Questionnaire; IgG, immunoglobulin G; RA, rheumatoid arthritis; RF, rheumatoid factor; SHS, Sharp-van der Heijde score

Davis et al. Arthritis Research & Therapy 2012 14:R24   doi:10.1186/ar3706