Table 1 Clinical characteristics of SpA patients, OA patients and healthy controls

Age (years)

50.73 ± 1.28

64.07 ± 1.73

50.94 ± 1.68

/

< 0.001

0.913

Gender (Male/Female)

120/76

14/52

49/32

/

< 0.001

0.910

CRP (mg/L)

27.57 ± 2.84

4.00 ± 1.04

2.78 ± 0.31

0–10

< 0.001

< 0.001

ESR (mm/L)

47.47 ± 2.77

19.66 ± 1.98

/

0–20

< 0.001

/

WBC(× 10⁹/L)

7.18 ± 0.17

5.82 ± 0.20

7.47 ± 0.24

3.5–9.5

< 0.001

0.250

Lymphocytes(×10⁹/L)

1.87 ± 0.06

1.86 ± 0.09

1.86 ± 0.07

1.1–3.2

0.807

0.797

Albumin(g/L)

38.64 ± 0.36

40.75 ± 0.54

43.42 ± 0.40

35–50

< 0.001

< 0.001

Fibrinogen(g/L)

3.84 ± 0.10

2.68 ± 0.89

2.66 ± 0.55

2–4

< 0.001

< 0.001

FAR

10.22 ± 0.29

6.58 ± 0.24

6.17 ± 0.14

/

< 0.001

< 0.001

HLA-B27 (positive/negative)

86/102

5/47

/

/

< 0.001

/