Regarding the use of predictors for VTE, there were a total of 55 predictors including age (n=12, 22%), D-dimer (n=7, 13%), VTE history (n=6, 11%), sex (n=3, 5%), ‌prothrombin time (n=3, 5%), chemotherapy (n=3, 5%), reduced mobility (n=2, 4%), cerebrovascular accident (n=2, 4%), blood type (n=2, 4%), active cancer (n=2, 4%), bedridden (n=2, 4%), BMI (n=2, 4%), varicose veins (n=2, 4%), prophylactic anticoagulants (n=2, 4%), hypoalbuminemia (n=2, 4%), international normalized ratio (n=2, 4%), fibrinogen level (n=2, 4%), and creatinine level (n=2, 4%). Here, F2 is linked to cancer.