Table 2 Clinical characteristics of PsA patients, ReA patients and AS patients

Age (years)

52.94 ± 1.72

58.07 ± 2.58

43.85 ± 1.72

/

0.313

0.002

0

Gender (Male/Female)

41/28

18/29

61/19

/

0.037

0.034

0

CRP (mg/L)

23.47 ± 3.84

49.14 ± 6.36

21.82 ± 3.20

0–10

0

1

0

ESR (mm/L)

41.12 ± 4.19

55.72 ± 4.55

45.80 ± 3.68

0–20

0.013

0.737

0.168

WBC(×10⁹/L)

7.07 ± 0.24

7.83 ± 0.53

7.02 ± 0.20

3.5–9.5

1

1

1

Lymphocytes(×10⁹/L)

1.78 ± 0.08

1.73 ± 0.15

1.97 ± 0.08

1.1–3.2

1

0.509

0.180

Albumin(g/L)

38.75 ± 0.62

35.32 ± 0.59

39.99 ± 0.45

35–50

0.001

0.54

0

Fibrinogen(g/L)

3.70 ± 0.16

4.40 ± 0.22

3.71 ± 0.14

2–4

0.008

1

0.015

FAR

9.33 ± 0.56

10.52 ± 0.87

9.50 ± 0.38

/

0.001

1

0.001

HLA-B27

(positive/negative)

11/54

4/41

71/7

/

0.27

0

0