Table 4 Weight Value and Score for the Indicators

Domains

1. Patient factors

2. Disease factors

3. Therapeutic factors

Subdomains

1. Patient factors

1.1 basic feature

1.2 complication

1.3 Past medical history

1.4 Inspection indicators

2. Disease factors

2.1Tumor diagnosis time

2.2Primary tumor site

2.3Tumor staging

3. Therapeutic factors

3.1medication

3.2surgical treatment

3.3Other treatments

Indicators

1.1.1Asian population

-1

1.1.2 BMI>24 kg/m2

1

1.1.3 BMI ≥ 28 kg/m2

2

1.1.4 Age ≥ 60 years old

1

1.1.5 female

1

1.1.6Permanent residence: Plateau (≥ 2500 m)

1

1.2.1 Decreased activity ability

2

1.2.2 cardiovascular disease

2

1.2.3 Lung or kidney disease

1

1.2.4 Severe infection

1

1.3.1 VTE Personal History

1

1.3.2 VTE Family History

1

1.3.4 Hospitalization history (≤ 1 month)

1

1.3.5 History of lower limb varicose veins

1

1.4.1 D-Dimer ≥ 500ug/L

3

1.4.2 Plt ≥ 350 × 109/L

2

1.4.3 TAT>4ng/mL

2

2.1.1Cancer diagnosis time ≤ 6months

1

2.2.1 stomach

6

2.2.2 pancreas

6

2.2.3 lung

3

2.2.4 lymphoma

3

2.2.5 gynaecology

3

2.2.6 urogenital system

3

2.3.1 CancerCancer compresses blood vessels/lymphatic tissue

5

2.3.2 transfer

3

2.3.3 Invasion of lymph nodes

2

2.3.4Mediastinal involvement

2

3.1.1 platinum

1

3.1.2Hormonal replacement therapy

3

3.1.3 High dose dexamethasone (≥ 160 mg/cycle)

2

3.1.4 Antiangiogenic drugs

2

3.1.5 Anticoagulants

-6

3.1.6 Adriamycin

1

3.1.7 Erythropoietic stimulating factor

3

3.2.1 Surgical site (hip or knee surgery)

5

3.2.2 Surgical time ≥ 2 h

3

3.2.3 Surgical type (laparoscopic surgery, arthroscopic surgery)

2

3.3.1 CVC

1