Table 2

At least 40% of attempts at sexual intercourse successful



Number (%) with outcome





Dosing (mg)
Number of trials
Sildenafil
Placebo
Relative benefit (95% CI)
NNT (95% CI)

25
3
122/312 (39)
70/426 (16)
2.6 (2.0 to 3.3)
4.4 (3.4 to 6.2)
50
5
269/511 (53)
102/607 (17)
3.3 (2.7 to 4.0)
2.8 (2.4 to 3.3)
100
5
272/506 (54)
102/607 (17)
3.3 (2.7 to 4.1)
2.7 (2.4 to 3.2)
200
2
106/191 (55)
32/181 (18)
3.1 (2.2 to 4.3)
2.6 (2.1 to 3.5)
Dose optimised
3
227/379 (60)
70/376 (19)
3.2 (2.6 to 4.0)
2.4 (2.1 to 2.9)

Moore et al. BMC Urology 2002 2:6   doi:10.1186/1471-2490-2-6