Table 1 Characteristics of RA group

RA

N = 60

Mean ± SD (range)

Disease duration (years)

9.3 ± 7.1 (1–30)

Number of tender joints

6.6 ± 4.8 (2–28)

Number of swollen joints

3.1 ± 3.1 (0–16)

Disease activity score (DAS-28)

5.1 ± 1.3 (3–8)

Larsen score

14.4 ± 6.9 (5–40)

RA

N = 60

HB (g/dl)

Mean ± SD

11.4

 ± 1.4

WBCs (× 10³ /mm³)

Mean ± SD

7.6

 ± 2.4

ESR (mm/1^st h)

Mean ± SD

48.9

 ± 30.7

Platelets(× 10³ /mm³)

Mean ± SD

290

 ± 101.6

Urea (mg/dl)

Mean ± SD

30.3

 ± 3.7

Creatinine (mg/dl)

Mean ± SD

0.9

 ± 0.2

CRP

Negative

N, %

21

35.0%

Positive

N, %

39

65.0%

CRP titre (mg/l)

Mean ± SD

18.8

 ± 21.2

RF

Negative

N, %

12

20.0%

Positive

N, %

48

80.0%

RF titre (IU/ml)

Mean ± SD

71.2

 ± 50.7

Anti-CCP-Abs

Negative

N, %

7

11.7%

Positive

N, %

53

88.3%

Anti-CCP-Abs titre (U/ml)

Mean ± SD

66.3

 ± 52.7