Age
Item
Age ≥ 40 years
boolean
C0001779 (UMLS CUI [1])
Recent surgery
Item
Recent surgery lasting ≥ 45 minutes
boolean
C2169607 (UMLS CUI [1])
Venous thromboembolism
Item
History of venous thromboembolism
boolean
C1861172 (UMLS CUI [1])
History of cancer
Item
History of cancer
boolean
C2735088 (UMLS CUI [1])
Obesity
Item
Obesity
boolean
C0028754 (UMLS CUI [1])
Estrogen therapy
Item
Estrogen therapy
boolean
C0279494 (UMLS CUI [1])
Antiandrogen therapy
Item
Antiandrogen therapy
boolean
C0279492 (UMLS CUI [1])
History of varicose veins
Item
History of varicose veins
boolean
C0455534 (UMLS CUI [1])
Reduced mobility
Item
Reduced mobility
boolean
C0700572 (UMLS CUI [1])
Weakness or paralysis of a limb
Item
Weakness or paralysis of ≥ one limb
boolean
C0587246 (UMLS CUI [1])
C1397097 (UMLS CUI [2])
Length of stay
Item
Expected length of stay ≥ 3 days
boolean
C0023303 (UMLS CUI [1])
Ordered anticoagulants
Item
Ordered anticoagulants
boolean
C0003280 (UMLS CUI [1,1])
C1718161 (UMLS CUI [1,2])
GFR calculation
Item
GFR calculation
text
C0017654 (UMLS CUI [1])
Creatinine
Item
Creatinine
text
C0201976 (UMLS CUI [1])