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Table 4 Comparison of the clinical features, activity indices, and laboratory findings among the VEGF gene SNP rs3025039 in RA patients

From: Effect of vascular endothelial growth factor gene polymorphisms on disease activity in rheumatoid arthritis

 

CC

CT

TT

ANOVA test

Mean ± SD

Mean ± SD

Mean ± SD

F

P

Clinical findings

 Duration of RA (years)

8.1 ± 3.3

8.4 ± 3.0

8.8 ± 4.4

0.130

0.878

 Duration of morning stiffness (minutes)

131.6 ± 62.3

146.5 ± 64.5

168.0 ± 80.4

0.998

0.373

 TJC

10.9 ± 2.1

11.8 ± 2.1

13.6 ± 2.9

4.125

0.020

 SJC

9.6 ± 1.7

10.4 ± 2.0

12.4 ± 3.0

5.719

0.005

 VAS pain (mm)

51.7 ± 11.5

56.7 ± 9.2

58.0 ± 2.0

2.357

0.102

Composite activity indices

 DAS-28 ESR

3.6 ± 1.3

4.2 ± 1.4

5.4 ± 0.9

6.215

0.003

Laboratory findings

 ESR (mm/hour)

46.5 ± 15.3

56.2 ± 20.0

75.0 ± 20.6

7.619

< 0.001

 CRP (mg/dl)

25.7 ± 10.5

28.3 ± 13.3

35.5 ± 8.8

1.867

0.162

  1. Level of significance at P ≤ 0.05
  2. VEGF vascular endothelial growth factor, CRP C-reactive protein; DAS, disease activity score, ESR erythrocyte sedimentation rate, SJC swollen joint count, TJC tender joint count, VAS visual analog scale