TABLE 3.

Modified IMPROVE risk score.

Patient’s Name:______________________________________________________________________________ Age:________________________________________________________________________________________ Sex:________________________________________________________________________________________
DVT risk assessment	DVT risk score
Previous VTE	3
Known thrombophiliaa	2
Current lower leg paralysis or paresisb	2
Prior cancerc	2
ICU/CCU stay	1
Complete immobilization ≥ 1 dayd	1
Age ≥ 60 years	1

ICU, intensive care unit; CCU, cardiac care unit; VTE, venous thromboembolism. ^aA congenital or acquired condition leading to excess risk of thrombosis (e.g., factor V Leiden, lupus anticoagulant, factor C or factor S deficiency). ^bLeg falls to bed by 5 s, but has some effort against gravity or presence hemiparesis, hemiplegia, paraplegia, and quadriplegia. ^cCancer (excluding non-melanoma skin cancer) present at any time in the last 5 years (cancer must be in remission to meet eligibility criteria). ^dConfined to bed or chair with or without bathroom privileges. Adapted from previous studies (Spyropoulos et al., 2011; Mahan et al., 2014; Rosenberg et al., 2014; Raskob et al., 2016).