Table 1 Baseline characteristics of the study population

Number of patients

5275

21011

Age (Mean± SD, Median)

51.7 ±15.4, 52.6

51.7 ± 15.5, 52.6

0.99

0.00

Sex

Female

2807 (53.2%)

11173 (53.2%)

0.96

0.00

Ethnicity

Jewish

4594 (87.1%)

18296 (87.1%)

0.98

Arab

681 (12.9%)

2715 (12.9%)

0.00

Socio-economic status^a

1-low

1621 (30.7%)

7169 (34.1%)

<0.0001

0.04

2-medium

2043 (38.7%)

8779 (41.8%)

3-high

1326 (25.1%)

4922 (23.4%)

Tobacco use

2227 (42.2%)

8311 (39.6%)

<0.0001

0.05

BMI^a

BMI<25

1480 (28.0%)

7760 (36.9%)

<0.0001

0.2

BMI≧25<30

1795 (34.0%)

7546 (35.9%)

BMI≧30

1765 (33.5%)

5411 (25.8%)

Psoriasis

4244 (80.5%)

337 (1.6%)

<0.0001

2.7

Comorbidity

Cancer

337 (6.4%)

1284 (6.1%)

0.45

0.01

Diabetes

1781 (33.8%)

5497 (26.2%)

<0.0001

0.2

IHD

542 (10.3%)

1816 (8.6%)

<0.0001

0.06

CVA/TIA

243 (4.6%)

824 (3.9%)

0.024

0.03

CHF

117 (2.2%)

344 (1.6%)

0.004

0.04

Hypertension

1589 (30.1%)

5495 (26.2%)

<0.0001

0.08

AF

159 (3.0%)

520 (2.5%)

0.027

0.03

Vascular Disease

196 (3.7%)

624 (3.0%)

0.005

0.04

Past VTE

39 (0.7%)

109 (0.5%)

0.056

0.08

cDMARD

2053 (38.9%)

0 (0.0%)

<0.0001

1.1

bDMARD

2015 (38.2%)

107 (0.5%)

<0.0001

0.9