Table 1 Baseline Variable for patients in the RA and SLE cohorts and age- and sex-matched control cohorts

From: Risk of Stroke in Patients with Rheumatism: A Nationwide Longitudinal Population-based Study

 

RA patients n = 6114

Control patients n = 24 456

SLE patients n = 621

Control patients n = 2484

Baseline Variable

N (%)

N (%)

N (%)

N (%)

Age (years)

    

≤30

515 (8.4)

2060 (8.4)

214 (34.5)

856 (34.5)

31–40

754 (12.3)

3016 (12.3)

152 (24.5)

608 (24.5)

41–50

1315 (21.5)

5260 (21.5)

132 (21.3)

528 (21.3)

51–60

1500 (24.5)

6000 (24.5)

66 (10.6)

264 (10.6)

61–70

1102 (18.0)

4408 (18.0)

40 (6.4)

160 (6.4)

>70

928 (20.0)

3712 (15.2)

17 (2.7)

68 (2.7)

Gender

    

Male

1752 (28.7)

7008 (28.7)

69 (11.1)

276 (11.1)

Female

4362 (71.3)

17448 (71.3)

552 (88.9)

2208 (88.9)

Urbanization level

    

Urban

3599 (58.9)

14289 (58.4)

383 (61.7)

1528 (61.5)

Suburban

1810 (29.6)

7160 (29.3)

167 (26.9)

696 (28.0)

Rural

705 (11.5)

3007 (12.3)

71 (11.4)

260 (10.5)

Diabetes mellitus

    

Yes

2845 (9.3)

599 (9.8)

21 (3.4)

96 (3.9)

No

27725 (90.7)

5515 (90.2)

600 (96.6)

2388 (96.1)

Hypertension

    

Yes

1397 (22.8)***

5017 (20.5)

95 (15.3)***

198 (8.0)

No

4717 (77.2)

19439 (79.5)

526 (84.7)

2286 (92.0)

Hyperlipidemia

    

Yes

691 (11.3)***

2175 (8.9)

30 (4.8)

95 (3.8)

No

5423 (88.7)

22281 (91.1)

591 (95.2)

2389 (96.2)

Coronary heart disease

    

Yes

548 (9.0)***

1769 (7.2)

28 (4.5)

79 (3.2)

No

5566 (91.0)

22687 (92.8)

593 (95.5)

2405 (96.8)

congestive heart failure

    

Yes

726 (11.9)**

2569 (10.5)

27 (4.3)

101 (4.1)

No

5388 (88.1)

21887 (89.5)

594 (95.7)

2383 (95.9)

hypercoagulability

    

Yes

7 (0.1)

13 (0.1)

3 (0.5)**

1 (0.0)

No

6107 (99.9)

24443 (99.9)

618 (99.5)

2483 (100.0)

renal disease

    

Yes

298 (4.9)***

819 (3.3)

68 (11.0)***

37 (1.5)

No

5816 (95.1)

23637 (96.7)

553 (89.0)

2447 (98.5)

atrial fibrillation

    

Yes

30 (0.5)

104 (0.4)

0 (0.0)

4 (0.2)

No

6084 (99.5)

24352 (99.6)

621 (100.0)

2480 (99.8)

valvular heart disease

    

Yes

138 (2.3)***

337 (1.4)

12 (1.9)*

20 (0.8)

No

5976 (97.7)

24119 (98.6)

609 (98.1)

2464 (99.2)

  1. Indicator *P < .05, **P < .01 and ***P < .001compared with the controls.