Table 2

Costs and outcomes in base case analysis

Time horizon	Treat strategy	QALYs	Cost (CNY)	ICER (CNY/QALY)
1 year	Intravenous tPA alone	0.326	27 220	–
1 year	Mechanical thrombectomy+intravenous tPA	0.405	77 700	638 987
5 years	Intravenous tPA alone	1.392	58 590	–
5 years	Mechanical thrombectomy+intravenous tPA	1.765	1 07 710	131 689
6 years	Intravenous tPA alone	1.599	65 230	–
6 years	Mechanical thrombectomy+intravenous tPA	2.029	114 170	113 814
30 years	Intravenous tPA alone	2.979	117 940	–
30 years	Mechanical thrombectomy+intravenous tPA	3.773	167 970	63 010

ICER, incremental cost-effectiveness ratio; QALY, quality-adjusted life-year; tPA, tissue plasminogen activator.