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Table 2 Risk Factors for VTE

From: The association between psoriatic arthritis and venous thromboembolism: a population-based cohort study

  

Univariate Analysis

Multivariate analysis

+VTE

P. Value

HR

95% CI

P. Value

HR

95% CI

PsA

yes

62/5275 (1.2%)

0.023

1.40

Ref.

1.05-1.87

0.16

1.27

0.91-1.80

no

176/21011 (0.8%)

Age

(Mean± SD)

 

64.9±13.2 (Without VTE 51.5 ±15.4)

<0.0001

1.08

1.07-1.10

<0.0001

1.08

1.06-1.10

Sex

Female

138/13980 (1.0%)

0.11

1.24

0.95-1.61

0.088

1.27

0.97-1.67

Socio-economic statusa

1-low

72/8790 (0.8%)

 

Ref.

  

Ref.

 

2-medium

103/10822 (1.0%)

0.51

1.11

0.82-1.50

0.65

0.93

0.69-1.26

3-high

57/6248 (0.9%)

0.74

1.06

0.75-1.50

0.58

0.91

0.64-1.290

BMIa

BMI<25

51/9240 (0.6%)

 

Ref.

  

Ref.

 

BMI25<30

87/9341 (0.9%)

0.0063

1.62

1.15-2.29

0.34

1.19

0.84-1.68

BMI30

96/7176 (1.3%)

<0.0001

2.38

1.69-3.34

0.0068

1.67

1.15-2.42

Tobacco use

Yes

99/10538 (0.9%)

0.26

1.17

0.89-1.55

0.23

1.20

0.89-1.61

No

139/15748 (0.9%)

 

Ref.

  

Ref

 

Comorbidity

Cancer

       

yes

35/1621 (2.2%)

<0.0001

3.27

2.28-4.69

0.030

1.51

1.04-2.20

No

203/24665 (0.8%)

 

Ref.

  

Ref.

 

Diabetes

       

Yes

91/7278(1.3%)

<0.0001

2.12

1.63-2.76

0.48

0.89

0.66-1.22

No

147/19008 (0.8%)

 

Ref.

  

Ref.

 

IHD

       

Yes

64/2358 (2.7%)

<0.0001

4.40

3.30-5.87

0.018

1.52

1.07-2.14

No

174/ 23928(0.7%)

 

Ref.

  

Ref.

 

CVA/TIA

       

Yes

27 (2.5%)

<0.0001

4.07

2.72-6.08

0.15

1.38

0.89-2.13

No

211/25219 (0.8%)

 

Ref.

  

Ref.

 

CHF

       

Yes

16/461 (3.5%)

<0.0001

6.95

4.17-11.57

0.12

1.58

0.89-2.80

No

222/25825 (0.9%)

 

Ref.

  

Ref.

 

Hypertension

       

Yes

118/7084 (1.7%)

<0.0001

2.91

2.26-3.75

0.23

0.83

0.61-1.13

No

120/19202 (0.6%)

 

Ref.

  

Ref.

 

AF

       

Yes

18/379(2.7%)

<0.0001

4.33

2.67-7.01

0.76

0.92

0.54-1.56

No

220/25607 (0.9%)

 

Ref.

  

Ref.

 

Vascular Disease

       

Yes

29/820 (3.5%)

<0.0001

5.85

3.96-8.64

0.020

1.66

1.08-2.55

No

209/25466 (0.8%)

 

Ref.

  

Ref.

 

COPD

       

Yes

24/1885 (1.3%)

0.021

1.64

1.08-2.51

0.64

1.11

0.72-1.70

No

214/24401 (0.9%)

 

Ref.

  

Ref.

 

CRF

       

Yes

15/688 (2.2%)

<0.0001

3.93

2.32-6.64

0.50

1.21

0.69-2.10

No

223/25598 (0.9%)

 

Ref.

  

Ref.

 
 

Past VTE

       

Yes

22/148 (14.9%)

<0.0001

27.15

17.48-

<0.0001

13.00

8.21-20.56

No

216/26138 (0.8%)

 

Ref.

42.18

   
  1. aPresented data for percentages for socioeconomic status and BMI were calculated from the total number of the available data. Missing data on socioeconomic status was 6/426 (1.4%) and for BMI was 4/529 (0.8%) for PsA+controls with VTE, respectively.
  2. Abbreviations: AF Atrial fibrillation, bDMARD biologic disease-modifying anti-rheumatic drug, BMI body mass index, CHF Congestive heart failure, CI Confidence interval, COPD Chronic obstructive pulmonary disease, CRF Chronic renal failure, CVA cerebrovascular accident, HR- Hazard ratio, IHD Ischemic heart disease, PsA Psoriatic arthritis, Ref. Reference for calculation, SD Standard deviation, TIA Transient ischemic attack, VTE Venous thromboembolism.