Table 3 Laboratory characteristics of RA patients

1st ESR (mm/h)

 Range

7.0–75.0

9.0–65.0

5.0–10.0

44.937^*

< 0.001^*

p₁ = 0.513

p₂ < 0.001^*

p₃ < 0.001^*

 Median (IQR)

33.0

(20.0–40.0)

25.0

(18.0–37.0)

9.0

(8.0–10.0)

2nd ESR (mm/h)

 Range

18.0–100.0

20.0–110.0

10.0–20.0

46.762^*

< 0.001^*

p₁ = 0.553

p₂ < 0.001^*

p₃ < 0.001^*

 Median (IQR)

60.0

(40.0–80.0)

50.0

(35.0–70.0)

18.0

(15.0–20.0)

CRP (mg/l)

 Range

1.10–98.0

3.0–314.0

2.0–8.0

40.385^*

< 0.001^*

p₁ = 0.404,

p₂ < 0.001^*

p₃ < 0.001^*

 Median (IQR)

24.45

(11.3–50.4)

18.0

(10.0–42.6)

5.0

(4.0–6.0)

RF (IU/mL)

 Min. – Max.

6.0–512.0

1.0–240.0

1.0–20.0

55.101^*

< 0.001^*

p₁ = 0.020^*

p₂ < 0.001^*

p₃ < 0.001^*

 Median (IQR)

80.0

(64.0–208.0)

50.50

(8.0–64.0)

3.0

(2.0–6.0)

Anti CCP (u/mL)

 Min. – Max.

1.0–500.0

1.0–672.0

1.0–7.0

34.818^*

< 0.001^*

p₁ = 0.005^*

P₂ < 0.001^*

p₃ < 0.001^*

 Median (IQR)

118.0

(70.0–324.0)

70.50

(24.0–207.0)

4.0

(2.0–5.0)

Positive Anti-Ro/ SSA (n, %)

15(50)

0(0)

0(0)

--

--

--

Positive Anti-La/SSB (n, %)

5(16.7)

0(0)

0(0)

--

--

--

Positive both Anti-Ro/ SSA& Anti-La/SSB (n, %)

10(33.3)

0(0)

0(0)

--

--

--

m3AchR (ng/ml)

 Min. – Max.

16.08–32.89

14.32–33.79

14.18–25.98

26.640^*

< 0.001^*

p₁ < 0.001^*

p₂ < 0.001^*

p₃ = 0.258

 Median (IQR)

27.38

(21.51–29.47)

18.42

(17.49–21.65)

17.26

(14.82–20.63)