Table 1 Model inputs in base case

Proportions of patients in different mRS states at the end of 3 months according the meta analysis (%)

mRS 0–2

49.00 [19]

50.73 [19]

Dirichlet

0–1

mRS 3–5

35.19 [19]

34.43 [19]

Dirichlet

0–1

mRS 6

15.81 [19]

14.84 [19]

Dirichlet

0–1

Probabilities(%)

Recurrent rate

9.60 [30]

9.60 [30]

Beta

/

mRS 0–2 to mRS 0–2 in first year

95.50 [21]

95.50 [21]

Dirichlet

0–1

mRS 0–2 to mRS 3–5 in first year

2.40 [21]

2.40 [21]

Dirichlet

0–1

mRS 3–5 to mRS 0–2 in first year

2.90 [21]

2.90 [21]

Dirichlet

0–1

mRS 3–5 to mRS 3–5 in first year

91.90 [21]

91.90 [21]

Dirichlet

0–1

Costs(RMB)

Direct treatment costs

71329.86

108463.60

Gamma

EVT alone: 69890.76-72768.96

EVT + IVT: 86765.90-130161.30

 Operative treatment

6543.83

10041.25

 Operative materials

43751.21

52879.26

 Medicine

6984.55

13285.07

 Nursing

844.83

3035.45

Annual post-hospitalization costs

 mRS 0–2

7385.00 [23]

7385.00 [23]

Gamma

7157–7619

 mRS 3–5

11350.00 [23]

11350.00 [23]

Gamma

10,730–11,996

Indirect costs

57595.37

57595.37

/

 DALYs

7.95 [22]

7.95 [22]

/

Utility

mRS 0–2

0.76 [25]

0.76 [25]

Beta

0.69–0.82

mRS 3–5

0.21 [25]

0.21 [25]

Beta

0.17–0.26

mRS 6

0.00 [25]

0.00 [25]

Beta

/

Recurrent stroke

0.20 [25]

0.20 [25]

Beta

0.16–0.26

Discount Rate(%)

Annual post-hospitalization costs

3.00

3.00

/

Indirect costs

3.00

3.00

/

Outcome

3.00

3.00

/