Table 3 Details of men not included in the study.

Already using Viagra successfully

13

Already tried Viagra and failed

6

On nitrates

6

Cardiac opinion – Not suitable

2

Suspected venous leak

1

Rapid ejaculation

1

Psychological counselling required

1

Not interested

2

No partner – patient declined treatment

1

Declined Viagra specifically

1

Total no. of patients not included in study

34