Table 2

Baseline patient characteristics compared between cases (n = 109) and controls (n = 218).

Demographics

Cases (%)

Controls (%)

P-value

Age 75 or Older

50

42

0.20*

Female

45

32

0.02*

Nonwhite Race

11

6

0.10*

Hypertension

48

47

0.99*

Diabetes

21

21

0.99*

Coronary Artery Disease

39

34

0.53*

Follow up time

10.9 months

11.5 months

< 0.001†

# INR/month

2.3

1.2

< 0.001†

Indication:

0.26*

Atrial Fibrillation

67

58

VTE

11

13

Valvular Heart disease

6

5

Other

16

24

*Comparison via Monte Carlo simulation

†Comparison via Generalized Estimating Equations (GEE)

Marrast et al. Thrombosis Journal 2011 9:14   doi:10.1186/1477-9560-9-14