Table 2.

Cost-effectiveness of inactivated vaccine against COVID-19 infection, hospitalization, ICU admission, and death.

Vaccine effectiveness	Group	Cost (US$)	Effectiveness (No. of events)	Incremental cost (US$)	Incremental effectiveness (No. of events)	ICER (US$/event)
Against infection (RCT)	Two doses	168,553,644,312	39,166,629	−352,229,625,481	93,872,193	−3,752
	Non-vaccination	520,783,269,793	133,038,822	/	/	/
Against infection (RWE)	Two doses	196,571,784,227	46,324,118	−324,211,485,566	86,714,704	−3,739
	Non-vaccination	520,783,269,793	133,038,822	/	/	/
Against hospitalization (RCT)	Two doses	15,235,049,685	0	−308,329,723,032	24,612,182	−12,528
	Non-vaccination	323,564,772,717	24,612,182	/	/	/
Against hospitalization (RWE)	Two doses	82,860,087,183	5,143,946	−240,704,685,534	19,468,236	−12,364
	Non-vaccination	323,564,772,717	24,612,182	/	/	/
Against ICU admission (RWE)	Two doses	29,877,607,019	596,519	−123,608,318,918	5,656,305	−21,853
	Non-vaccination	153,485,925,937	6,252,825	/	/	/
Against death (RWE)	Two doses	22,083,877,846	278,430	−29,372,381,818	1,813,456	−16,197
	Non-vaccination	51,456,259,664	2,091,886	/	/	/