Table 1 Characteristics of 152 Swedish female patients with early RA included in the study

N

38

42

39

33

Age

53.42 ± 16.74

51.93 ± 14.78

54.26 ± 16.19

53.39 ± 13.17

0.928^a

BMI

26.11 ± 5.81

24.97 ± 4.79

26.18 ± 4.70

25.92 ± 5.25

0.690^a

Current smoker (%)

15.79%

16.67%

10.26%

24.24%

0.464^b

ACPA positive (%)

84.21%

85.71%

87.18%

84.85%

0.985^b

CDAI

Day 0

32.86 ± 14.51

30.53 ± 13.67

29.19 ± 19.00

27.68 ± 11.28

0.349^a

Week 12

7.51 ± 6.04

5.79 ± 4.77

6.02 ± 5.62

8.09 ± 8.98

0.335^a

Week 24

6.11 ± 5.69

4.25 ± 4.42

4.65 ± 5.43

6.23 ± 5.83

0.260^a

Remission-w24^* (%)

36.84%

52.38%

51.28%

42.42%

0.461^b

EULAR-Good response-w24 (%)

78.95%

88.1%

84.62%

69.7%

0.312^b

CRP

Day 0

20 (9.75–40.25)

13 (4.6–32)

8.8 (4–30)

8 (4.25-20)

0.078^c

Week 24

2 (1-4.5)

1 (0.5–2.08)

2 (1-3.8)

0.5 (0.4-1)

< 0.001^c

ESR

Day 0

35 (23.75–57.5)

32 (19–58)

28 (17–50)

26 (16.5-39.75)

0.273^c

Week 24

11 (5.75-21)

9.5 (5.75–19.5)

11 (7–23)

2 (2–4)

< 0.001^c