Fig. 5.
a Primary MBS types by country or region (n = 449,815). b Revisional MBS types by country or region (n = 52,335). Malaysia (n = 1), Uzbekistan (n = 5), and South Africa (n = 3) cannot be graphically displayed. The United States of America reported an additional 21,057 revisional cases labelled “revision/conversion” that are not able to be displayed graphically. This means the breakdown of procedures displayed in this graph may not be representative