Table 4.

Country-level costs prediction studies

References	Country	Population	Approach	Time horizon	Results
[42]	Australia	Australian population	Sum-diagnosis specific	2000–2051	If age- and sex-specific prevalence remains unchanged → 2.5-fold increase; if age- and sex-specific prevalence allowed to change as well → 3.4-fold increase
[16]	Canada	Canadian population	Sum-all medical costs	2000–2016	1.7-fold increase
[17]	Canada	Four Alberta Health and Wellness databases	Sum-all medical costs	2008–2035	2.4-fold increase
[80]	China	In patients and outpatients in 20 hospitals	Own survey	2007 and 2030 (projection)	Increase from $73 billion in 2007 to $132 billion in 2030 (1.8-fold increase)