Table 3.

Incremental cost-effectiveness ratio in the base case

Group	Cost CNY¥ (USD$)	Incremental cost CNY¥ (USD$)	Effectiveness	Incremental effectiveness	ICER
Control	1074.00 (273.98)		269.46
Fluoride treatment	2710.22 (691.38)	1636.22 (417.40)	279.67	10.20	160.35 (40.91a)

Cost is in CNY¥ except values in parentheses, which are the equivalent costs in USD$. The cost in US dollars was converted based on purchasing power parity according to the International Monetary Fund. (1.00 USD as 3.92 CNY) [22]

Abbreviation ICER, incremental cost-effectiveness ratio

^aIncremental cost-effectiveness ratio when incremental cost was converted to equivalent costs in USD$