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Table 1 Participant characteristics according to RA status.

From: Abnormal left ventricular geometry is prevalent in asymptomatic patients with established rheumatoid arthritis compared with those with early disease and healthy controls

Characteristic Early RA n = 30 Established RA n = 30 Healthy Control n = 15 p-value
Age, years 51±8 52±7 51 ± 8 0.81*
Female gender; n (%) 34 (65) 15 (50) 7 (47) 0.14*
Body mass index, kg/m2 27±5 26±4 25±3 0.48*
Body surface area, m2 1.9±0.2 1.8±0.2 1.9±0.2 0.35*
Pulse pressure, mmHg 51±11 57±14 55±14 0.34*
CRP, mg/L, median (IQR) 6.4 (34) 0.0 (5.3) - <0.01
ACPA, n (%) 26 (87) 24 (80) - 0.19
RF, n (%) 25 (83) 21 (70) - 0.14
DAS28, median (IQR) 5.5 (1.7) 2.0 (1.7) - <0.01
  1. Data presented as mean and standard deviation unless otherwise stated. *Appropriate parametric/non-parametric tests applied for 3-way comparison after normality assessments. ACPA; anti-citrullinated peptide antibody, CRP; C-reactive protein, DAS; Disease activity score, RF; Rheumatoid factor.