Table 1 Baseline characteristics

Female (%)

76.8

69.6

79.1

0.066

Age (years)

55.2 (14.0)

51.7 (12.6)

56.4 (14.2)

<0.001*

Disease duration (years)

6.3 (7.7)

0.8 (0.7)

8.1 (8.1)

<0.001*

Symptom duration (years)

7.3 (7.7)

1.5 (1.8)

9.2 (8.0)

<0.001*

BMI

26.7 (4.5)

27.5 (5.2)

26.4 (4.3)

0.020*

RF+ (%)

47.2

43.5

48.5

0.466

ACPA+ (%)

62.9

58.7

64.3

0.952

CRP (mg/l)

7.6 (9.0)

10.5 (12.6)

6.6 (7.1)

0.354

DAS28-CRP

3.7 (1.5)

4.0 (1.5)

3.6 (1.5)

0.192

GSsynSS

6.91 (6.39)

7.70 (5.62)

6.65 (6.61)

0.255

PDsynSS

4.02 (5.20)

5.24 (5.95)

3.61 (4.87)

0.438

GStenSS

0.66 (1.15)

0.78 (1.18)

0.63 (1.14)

0.842

PDtenSS

0.68 (1.63)

0.80 (1.75)

0.63 (1.59)

0.402

Erosions score

1.18 (2.10)

0.46 (1.50)

1.42 (2.21)

<0.001*

HAQ

0.77 (0.73)

0.88 (0.73)

0.74 (0.73)

0.896

Oral glucocorticoids (%)

43.8

41.3

44.6

0.607

csDMARDs (%)

87.0

69.6

92.8

<0.001*