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Table 1 Patient characteristics in the QUEST-RA study per country

From: Cardiovascular disease in patients with rheumatoid arthritis: results from the QUEST-RA study

Country Number of sites Number of patients Age in years (mean) Female (%) Years of education (mean) Disease duration in years (mean) RF-positive (%) Extra-articular diseasea (%) Cardiovascular events (all)b (%)
Denmark 3
3
301 58 76 11 12 74 34 9.97
Finland 3 304 59 72 10 13 75 18 11.18
France 4 389 55 78 11 13 75 21 3.60
Germany 3 225 59 84 10 13 61 36 17.78
Ireland 3 225 57 64 11 11 81 30 6.67
Italy 4 336 61 78 8 10 73 13 8.93
Netherlands 3 317 59 68 11 9 69 13 9.46
Poland 7 642 53 86 12 11 71 33 11.84
Spain 3 301 60 74 10 11 71 23 9.97
Sweden 3 248 59 72 10 12 82 23 8.47
UK 3 126 60 78 12 15 84 30 10.32
Turkey 3 309 52 85 7 11 69 18 6.80
Serbia 1 100 59 88 8 10 71 23 9.00
USA 3 294 57 72 14 9 70 24 11.56
Argentina 2 246 51 90 9 10 90 26 3.66
Total 48 4,363 57 ± 1 78 10 ± 4 11 ± 9 73.7 24.3 9.31
  1. aIncludes nodules, pulmonal fibrosis, pericarditis, vasculitis, Felty syndrome, and scleritis. bMyocardial infarction, angina, coronary heart disease, coronary bypass surgery, or stroke. QUEST-RA, Questionnaires in Standard Monitoring of Patients with Rheumatoid Arthritis; RF, rheumatoid factor.