Table 4

Treatment related adverse events



Number (%) with outcome





Dosing (mg)
Number of trials
Sildenafil
Placebo
Relative risk (95% CI)
NNH (95% CI)

25
3
71/312 (23)
33/426 (8)
2.8 (1.9 to 4.2)
6.7 (4.9 to 10)
50
5
190/508 (37)
59/607 (10)
3.7 (2.8 to 4.8)
3.6 (3.1 to 4.4)
100
5
260/506 (51)
59/607 (10)
5.0 (3.9 to 6.5)
2.4 (2.2 to 2.7)
200
2
137/191 (72)
26/181 (14)
5.0 (3.5 to 7.2)
1.7 (1.5 to 2.0)
Dose optimised
5
155/517 (30)
60/524 (11)
2.6 (2.0 to 3.4)
5.4 (4.3 to 7.3)

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