Table 1.

Demographic characteristics of the patients with rheumatoid arthritis included in the study

Clinical feature	% (n/N)
Patients	1,603
Main characteristics
Age at disease onset (years, means ± SE)	54.1 ± 14.8
Follow up (years, means ± SE)	11 ± 7.5
Female	73.5
Rheumatoid factor positive	70.3 (996/1,417)
Shared Epitope positive	63.7 (592/930)
Anti-CCP antibodies positive	58.1 (652/1,123)
Cardiovascular risk factors
Hypertension	39.4 (516/1,310)
Diabetes mellitus	13.2 (171/1,300)
Dyslipidemia	41.3 (540/1,307)
Obesity	12.4 (142/1,146)
Smoking habit	24.0 (303/1,261)
Patients with cardiovascular events	17.8 (229/1,284)
Ischemic heart disease	9.5 (122/1,284)
Heart failure	4.8 (62/1,284)
Cerebrovascular accidents	4.6 (59/1,284)
Peripheral arteriopathy	1.9 (25/1,284)

SE, Standard error

Anti-CCP antibodies, anti-cyclic citrullinated peptide antibodies