Table 1

Baseline characteristics of included patients.

P-value

Baseline characteristics

TOTAL

TRAINED

UNTRAINED

trained vs. untrained

Number

209

78

131

Female

80.4%

79.5%

80.9%

Rheumatoid factor pos.

55.5%

52.6%

57.3%

Age (years)

56.3(12.3)

54.2 (12.6)

57.6 (12.0)

0.06

Disease duration (years)

11.4 (9.6)

11.0 (9.2)

11.6 (9.9)

0.66

PGA (mm)

28.1 (21.9)

28.1 (22.4)

28.0 (21.7)

0.97

VAS pain (mm)

26.2 (21.0)

26.1 (20.9)

26.2 (21.2)

0.99

EGA (mm)

12.9 (13.5)

16.3 (15.7)

10.8 (11.5)

0.004

CRP (mg/dl)

0.92 (2.0)

1.0 (1.7)

0.89 (2.2)

0.81

ESR (mm/hr)

26.2 (22.3)

28.2 (26.1)

25.1 (20.1)

0.38

HAQ

0.78 (0.72)

0.81 (0.74)

0.77 (0.71)

0.71

SJC28 biometrican

2.4 (3.0)

3.3 (3.3)

1.9 (2.7)

0.001

TJC28 biometrican

2.7 (4.5)

2.4 (4.1)

2.9 (4.7)

0.48

SJC28 physician

2.4 (1.9)

3.1 (3.1)

1.9 (2.7)

0.004

TJC28 physician

3.0 (4.1)

2.9 (3.7)

3.0 (4.4)

0.85

SJC28 patient

3.1 (4.3)

2.7 (3.6)

3.4 (4.7)

0.28

TJC28 patient

3.4 (5.2)

3.0 (4.5)

3.7 (5.6)

0.33

CDAI

9.0 (7.4)

10.1 (7.9)

8.4 (7.0)

0.097

SDAI

10.0 (7.8)

11.1 (8.5)

9.3 (7.4)

0.094

DAS28

3.4 (1.1)

3.4 (1.2)

3.4 (1.1)

0.33

Data are shown as mean (SD) unless indicated otherwise.

CDAI: Clinical Disease Activity Index, CRP: c-reactive protein, DAS28: disease activity score 28, EGA: evaluator global assessment of disease activity, ESR: erythrocyte sedimentation rate, HAQ: health assessment questionnaire, PGA: patient global assessment of disease activity, SDAI: simplified disease activity score, SJC28: swollen joint count, TJC28: tender joint count, VAS: pain visual analogue scale of pain

Radner et al. Arthritis Res Ther 2012 14:R61   doi:10.1186/ar3777