Table 5.

Overview of data sources, risk of bias, and outcomes evaluated in included studies

Variable	Categories	f	%
Data source	Primary	54	50.5
	Secondary	50	46.7
	Both	3	2.8
Study population	Regional	13	12.2
	National	89	83.1
	International	3	2.8
	Continental	2	1.9
Risk of bias	Low	43	40.2
	Moderate	61	57.0
	High	3	2.8
Outcomes assessed	Prevalence	38	27.5
	Incidence	7	5.1
	Mortality	35	25.4
	Cost	21	15.2
	Care Giver Strain/Burden	12	8.6
	DALYs	25	18.1