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Table 1 Characteristics and fatigue measures of RA patients

From: The potential role of fatigue in difficult-to-treat rheumatoid arthritis

Variable

D2T RA (n = 38)

Non-D2T RA (n = 107)

p

Age, mean (SD), years

60 (13.02)

56 (12.2)

0.13

Female, n (%)

24 (63.16)

72 (67.29)

0.69

Disease duration, median [p25-p75], years

16 [ 11–21]

13 [6–18]

0.02

ESR, mean (SD) (mm/h)

12.34(10.78)

9.75 (9.25)

0.22

CRP, mean (SD) (mg/dL))

0.47 (0.43)

0.48 (0.71)

0.79

RF positive, n (%)

20 (58.82)

69 (67.65)

0.26

Positive Anti-CCP antibodies, n (%)

21 (70)

61 (67.78)

0.75

DAS28, mean (SD)

3.52 (1.08)

2.47(1.06)

0.01

Pain (VAS) mean (SD)

53.55(26.96)

30.42(24.03)

0.01

HAQ, mean (SD)

1.36 (0.63)

0.71 (0.57)

0.01

Comorbidities, n (%)

   

 Cardiovascular disease

19 (63.3)

52 (65.82)

0.8

 Depression

5 (16.13)

10 (12.5)

0.59

Glucocorticoid use, n (%)

26 (68.42)

52 (48.60)

0.03

 Prednisone dose, median [p25-p75],mg (n = 126)

5 [5-7.5]

0 [0–5]

0.01

Prednisone dose, intervals n(%) (n = 126)

   

 None

12 (38.7)

55 (57.9)

0.01

 1.25-2.5mg

3 (9.7)

8 (8.4)

 

 5mg

7 (22.6)

27 (28.4)

 

 >=7.5mg

9 (29.0)

5 (5.3)

 

Treatment

   

Conventional DMARDs, n (%):

   

  None

12 (11.22)

2 (5.26)

0.58

  1

42 (39.25)

15 (39.47)

 

  2 or more

53 (49.53)

21 (55.27)

 

b/tsDMARDs, n (%):

   

  Anti TNF

10 (26.32)

69 (64.49)

0.01

  Non-Anti TNF

19 (50)

35 (32.71)

 

  JAKi

9 (23.68)

3 (2.8)

 

Treatment ≥ 4 b/tsDMARDs, n (%)

11 (28.95)

5 (4.67)

0.01

  1. Abbreviations: RA: rheumatoid arthritis; D2T: difficult to treat; SD: standard deviation; ESR: erythrocyte sedimentation rate; CPR: C-reactive protein; RF: rheumatoid factor; DAS28: disease activity score 28-joint counts; VAS: visual analogue scale; TNF: tumor necrosis factor; HAQ: Health Assessment Questionnaire, DMARDs: Disease modifying anti-rheumatic drugs, JAKi: small molecule Janus kinasa inhibitors. Prednisone dose, intervals referred to average dosage in the two previous months to specific visit scheduled for data collection