Table 4.
Sildenafil treatment outcome over 4 years
| Percentage of participants (n/N)a | ||
|---|---|---|
| Study year | Satisfied with treatment effect on erections | Improved ability to have sexual activity |
| End of year | End of year | |
| 1 | 98.1 (806/822) | 99.6 (803/806) |
| 2 | 96.6 (672/696) | 99.9 (671/672) |
| 3 | 94.8 (551/581) | 99.6 (549/551) |
| 4 | 96.3 (550/571) | 100 (550/550) |
a
For the satisfaction analyses, N is equal to the number of men who answered the satisfaction question. For the respective sexual activity analyses, N is equal to the number of men who answered the satisfaction question affirmatively and answered the sexual activity question.