Table 3.

Base case results of the economic evaluation

	Two tests	Three tests	Difference
Costs (CN¥)	715.5 million	666.4 million	−49.1 million
Total symptomatic cases, n	51 144	45 013	−6131
Symptomatic sick days, n	626 178	556 437	−69 741
QALDs	404 688 102	404 724 901	36 799
QALYs converted from QALDs	1 107 975.6	1 108 076.4	100.7
QALY loss due to excess mortality	6563.4	5814.0	749.4
Incremental QALYs	NA	NA	850.1
NMB (CN¥)	NA	NA	104.0 million

CN¥, Chinese yuan; QALD, quality-adjusted life day; QALY, quality-adjusted life year; NA, not applicable; NMB, net monetary benefit.