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Table 1 Baseline characteristics of the patients with rheumatoid arthritis

From: Serum calprotectin (S100A8/9): an independent predictor of ultrasound synovitis in patients with rheumatoid arthritis

Characteristics

Rheumatoid arthritis patients (n = 37)

Female (%)

24 (64.9 %)

Age, years

53.56 ± 16.89

RF positivity, n (%)

17 (56.8 %)

Anti-CCP positivity, n (%)

22 (59.5 %)

Calprotectin, mg/L

3.91 ± 5.86

CRP, mg/L

7.55 ± 11.54

ESR, mm/1st hour

16.5 ± 12.37

DAS28-ESR

3.27 ± 1.6

GS syn score (0–39)

3.78 ± 4.24

PD syn score (0–39)

2.19 ± 3.49

GS ten score (0–5)

0.27 ± 0.61

PD ten score (0–15)

0.24 ± 0.68

  1. The values are the mean ± SD (range), if not stated otherwise. RF rheumatoid factor, Anti-CCP anticyclic citrullinated peptide antibody, CRP C-reactive protein, ESR erythrocyte sedimentation rate, DAS28-ESR Disease activity score for 28 joints with ESR, GS syn Grey scale synovitis, PD syn Power Doppler synovitis, GS ten Grey scale tenosynovitis, PD ten Power Doppler tenosynovitis