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

Teruel et al. Arthritis Research & Therapy 2011 13:R116   doi:10.1186/ar3401

Open Data