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Table 2 Detailed prevalence of major comorbidities at baseline

From: Chinese Registry of rheumatoid arthritis (CREDIT): II. prevalence and risk factors of major comorbidities in Chinese patients with rheumatoid arthritis

 

Total cohort (n = 13,210)

Men (n = 2558)

Women (n = 10,652)

Age < 60 y (n = 8891)

Age ≥ 60 y (n = 4319)

Comorbidities

N

Prevalence (95% CI)

N (%)

N (%)

N (%)

N (%)

Any major comorbidity

559

4.2 (3.9–4.6)

125 (4.9)

434 (4.1)

185 (2.1)

374 (8.7)

Cardiovascular disease

293

2.2 (2.0–2.5)

92 (3.6)

201 (1.9)

72 (0.8)

221 (5.1)

 Stroke

108

0.8 (0.7–1.0)

40 (1.6)

68 (0.6)

23 (0.3)

85 (2.0)

 Coronary artery diseasea

204

1.5 (1.3–1.8)

59 (2.3)

145 (1.4)

50 (0.6)

154 (3.6)

  Angina pectoris

132

1.0 (0.8–1.2)

34 (1.3)

98 (0.9)

38 (0.4)

94 (2.2)

  Myocardial infarction

50

0.4 (0.3–0.5)

17 (0.7)

33 (0.3)

4 (0.04)

46 (1.1)

Fragility fracture

222

1.7 (1.5–1.9)

26 (1.0)

196 (1.8)

85 (1.0)

137 (3.2)

Malignancyb

78

0.6 (0.5–0.7)

15 (0.6)

63 (0.6)

32 (0.4)

46 (1.1)

Overlap of comorbidities

 CVD + fracture

28

0.21 (0.13–0.29)

7 (0.05)

21 (0.16)

4 (0.03)

24 (0.18)

 CVD + malignancy

5

0.04 (0–0.07)

1 (0.01)

4 (0.03)

0 (0)

5 (0.04)

 Fracture + malignancy

1

0.01 (0–0.05)

0 (0)

1 (0.01)

0 (0)

1 (0.01)

 CVD + fracture + malignancy

0

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

  1. CVD cardiovascular disease
  2. aData on detailed type of CAD were missing from 22 patients
  3. bData on organ of malignancy were missing from three RA patients with malignancies