Table 6 Judgment matrix and consistency test for the third-level item

I-1–1 > 35 years

2

I-2–1 25 ~ 30 kg/m²

1

I-2–2 > 30 kg/m²

3

I-3–1 25 ~ 30 kg/m²

1

I-3–2 > 30 kg/m²

1

I-4–1 insulin in use

1

I-4–2 oral hormone drugs

1

I-5–1 smoking history

1

I-5–2 family VTE history

2

I-6–1 city

1

II-1–1 VTE history

5

II-1–2 thrombophilia

4

II-1–3 diabetes mellitus

2

II-1- 4 cardiogenic diseases (present)

1

II-1- 5 intestinal inflammatory disease (present)

1

II-1–6 severe pulmonary disease (within 1 month)

1

II-1–7 malignant tumor (past or present)

2

II-1–8 systemic lupus erythematosus

2

II-1–9 antiphospholipid antibody syndrome

3

II-1–10 nephrotic syndrome

1

II-2–1 varicosity

1

II-2–2 paraplegia

2

II-2–3 fractures of the hip, pelvis or lower limbs

4

III-1–1 preeclampsia

3

III-1–2 eclampsia

5

III-1–3 chronic hypertension complicated with preeclampsia

3

III-2–1 gestational diabetes mellitus (GDM)

1

III-3–1 electrolyte disorder or dehydration

1

III-4–1 ovarian hyperstimulation syndrome

1

IV-1–1 assisted reproductive technology

3

IV-2–1 planned cesarean section

1

IV-2–2 emergency cesarean section

3

IV-3–1 multiple pregnancies

2

IV-4–1 overdue delivery

3

IV-5–1 ≥ 72 h

3

IV-6–1 > 45 min

4

V-1–1 amount of bleeding in vaginal delivery ≥ 500 ml

1

V-1–2 amount of bleeding in cesarean delivery ≥ 1000 ml

5

V-2–1 thrombophlebitis

4

V-2–2 intrauterine infection

2