Table 1

ESPOIR study demographics and disease characteristics for patients meeting ACR/EULAR classification criteria for rheumatoid arthritis at entry.

Variables

Number

641

Age, years

48.5 (12.2)

Sex, number (%) female

499 (77.8)

Tender joint count, score from 0 to 28

9.8 (7.2)

Swollen joint count, score from 0 to 28

8.2 (5.5)

CRP, mg/dL

2.1(3.3)

Patient global assessment, cm from 0 to 10

6.2 (2.5)

Physician Global Assessment in cm from 0 to10

5.4 (2.2)

Pain score in cm from 0 to 10

5.7 (2.6)

HAQ, score from 0 to 3

1 (0.7)

Modified total Sharp score

6.4 (10.5)

IgM rheumatoid factor positivity, n (%)

367 (57.2)

Anti-CCP positivity, n (%)

313 (48.8)

Results presented as mean (SD) unless stated otherwise. Anti-CCP: test positive for antibody to cyclic citullinated protein

Zhang et al. Arthritis Research & Therapy 2012 14:R156   doi:10.1186/ar3896