Table 2

Patient numbers in PDE-5 inhibitor trials (by world region)

Region
Sildenafil
Tadalafil
Vardenafil

Europe
2040
839
309
North America
2486
546
1658
South America
631
0
0
Asia
1026
0
279
Africa
254
0
0
Australia
63
0
0
World
0
0
448
Europe and North America
217
651
580
Europe and Australia
349
0
0

Moore et al. BMC Urology 2005 5:18   doi:10.1186/1471-2490-5-18