Table 1 Clinical characteristics of patients included in the serum examination

 Gender ratio (F:M)

41:9

5:0

36:9

057

36:12

 Age at diagnosis (mean ± SD, y)

34.40 ± 13.25

28.80 ± 6.61

35.07 ± 13.69

0.32

/

 Disease duration (months)

6.00 (2.00–15.00)

12.00 (1.50–30.0a0)

6.00 (2.00–12.00)

0.68

/

 Active disease status (n, %)

40 (80.00)

3 (60)

37 (82.22)

0.26

/

 Weakness (n, %)

11 (22.00)

2 (40)

9 (20.00)

0.30

/

 Fever (n, %)

6 (12.00)

1 (20)

5 (11.11)

0.49

/

 Hypertension (n, %)

14 (28.00)

1 (20)

13 (28.89)

1.00

/

 Claudication (n, %)

2 (4.00)

0 (0)

2 (4.44)

1.00

/

 Chest distress (n, %)

9 (18.00)

0 (0)

9 (20.00)

0.57

/

 Dizziness (n, %)

24 (48.00)

3 (60)

21 (46.67)

0.66

/

 Pulselessness/weak pulse (n, %)

17 (34.00)

2 (40)

15 (33.33)

1.00

/

 Vascular bruits (n, %)

17 (34.00)

3 (60)

14 (31.11)

0.32

/

 Hemoglobin (mean ± SD, g/L)

119.41 ± 15.20

115.00 ± 13.93

119.62 ± 15.35

0.50

132.69 ± 13.42

 WBC (mean ± SD, 10⁹/L)

8.99 ± 5.87

9.51 ± 2.47

8.95 ± 6.10

0.97

6.23 ± 2.06

 PLT (mean ± SD, 10⁹/L)

293.47 ± 93.70

346.25 ± 140.67

288.78 ± 89.18

0.12

258.46 ± 61.55

 ESR (mean ± SD, mm/H)

44.18 ± 30.18

59.50 ± 31.69

42.82 ± 30.04

0.29

/

 CRP (mean ± SD, mg/L)

24.40 ± 26.69

32.13 ± 26.18

23.71 ± 26.92

0.55

/

 IL-6 (mean ± SD, pg/ml)

11.80 ± 10.26

12.54 ± 10.28

11.71 ± 10.38

0.87

/

 TNF-α (mean ± SD, pg/ml)

8.94 ± 7.99

4.93 ± 0. 68

9.42 ± 8.33

0.29

/

 I

13 (26.00)

4 (80)

9 (20.00)

0.028

/

 IIa

2 (4.00)

0 (0)

2 (4.44)

/

 IIb

8 (16.00)

0 (0)

8 (17.78)

/

 III

1 (2.00)

0 (0)

1 (2.22)

/

 IV

5 (10.00)

1 (20)

4 (8.89)

/

 V

22 (48.89)

0 (0)

22 (46.67)

/