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Table 1 Descriptive characteristics by group

From: The count of tender rather than swollen joints correlates with aortic stiffness in patients with rheumatoid arthritis

 

Control (n = 25)

RA (n = 38)

Significance (p)

Age (years)a

56 (42, 59.5)

61 (50.50–70.25)

0.027*

Gender (female)

21 (84.0 %)

32 (84.2 %)

0.982

Nicotine use (smokers)

3 (12.0 %)

13 (34.2 %)

0.041*

Arterial hypertension

12 (48.0 %)

18 (47.4 %)

0.960

Obesity (BMI > 25 kg/m2)

11 (44.0 %)

19 (50 %)

0.500

Hyperlipidemia

5 (20.0 %)

12 (31.6 %)

0.250

Diabetes mellitus (type II)

1 (4.0 %)

5 (13.2 %)

0.214

ANA positivity (>1:80)

5 (13.9 %)

BSG (mm/h)a

25 (14.00–55.50)

VAS (mm)a

7 (5.75–8.00)

CRP (mg/dL)a

1.1 (0.36–2.62)

DAS 28 (BSG)a

5.10 (4.10–5.75)

DAS 28 (CRP)a

4.50 (3.45–4.92)

Disease duration (years)a

11 (4.00–17.00)

RF (IU/ml)a

103 (6.55–322.50)

CCP (IU/ml)a

117 (7.25–340.00)

TJCa

4.50 (1.00–7.75)

SJCa

2 (0.00–4.00)

  1. The rest of data are presented as absolute (n) and relative frequency (%)
  2. RA rheumatoid arthritis, ANA antinuclear antibodies, RF rheumatoid factor, Anti-CCP cyclic citrullinated peptide antibodies, DAS28 disease activity score 28, CRP C-reactive protein, TJC tender joints count, SJC swollen joints count
  3. p < 0.05
  4. aData are presented as median (inter quartile range) as they are not normally distributed