Table 1 Characteristics of all six VTE Scores

Age(4 times)

-

 + 

-

 + 

 + 

 + 

Active cancer(4 times)

 + 

 + 

-

-

 + 

 + 

Alternative diagnosis less likely than PE(2 times)

 + 

-

 + 

-

-

-

Acute infection and/or rheumatologic disorder(1 time)

-

-

-

-

 + 

-

Acute myocardial infarction and/or ischemic stroke(1 time)

-

-

-

-

 + 

-

Body mass index(1time)

-

-

-

-

 + 

-

DVT symptoms and/or signs(5 times)

 + 

 + 

 + 

 + 

-

 + 

Hemoptysis(4 times)

 + 

 + 

 + 

 + 

-

-

Heart and/or respiratory failure(1 time)

-

-

-

-

 + 

-

Heart rate or pulse(3 times)

 + 

 + 

-

 + 

-

-

ICU/CCU stay(1 time)

-

-

-

-

-

 + 

Ongoing hormonal therapy(2 times)

-

-

-

 + 

 + 

-

Oxygen saturation(1 time)

-

-

-

 + 

-

-

Previous VTE history(5 times)

 + 

 + 

-

 + 

 + 

 + 

Recent immobilization, trauma or surgery(5 times)

 + 

 + 

-

 + 

 + 

 + 

Thrombophilia(2 times)

-

-

-

-

 + 

 + 

Presence frequency sum of VTE risk elements(times)

28

30

11

29

26

26

Presence frequency per VTE risk element(times)

4.00

4.29

3.67

3.63

2.60

3.71

Total points

7

9

3

8

20

12

Cutoff points

VTE unlikely 0–1

VTE likely ≥ 2

VTE unlikely 0–2

VTE likely ≥ 3

VTE unlikely

0

VTE likely ≥ 1

VTE unlikely 8

VTE likely ≤ 7

VTE unlikely 0–3

VTE likely ≥ 4

VTE

unlikely

0–1

VTE

likely ≥ 2

Ratio of VTE-likely cutoff points to total points

0.29

0.33

0.33

0.88

0.20

0.17