Table 2.

Prevalence of antenatal heart diseases; maternal and perinatal outcomes

Study ID (Year)	Prevalence	Case-fatality rate	Perinatal mortality rate
Rush et al. [11]	834	717	8895
Schoon et al. [12]	587	9146	-
Divanovic and Buchmann [13]	689	0	-
Schoon [14]	123	9524	23810
Matlala [6]	428	1980	9474
Soma-Pillay et al. [10]	943	3271	11640
Nqayana et al. [15]	616	0	9474

All figures are expressed per 100,000 deliveries and have been re-calculated based on manuscripts' raw data