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Table 4 Summary of continuous outcomes for sildenafil, tadalafil and vardenafil

From: Indirect comparison of interventions using published randomised trials: systematic review of PDE-5 inhibitors for erectile dysfunction

Sildenafil

  

Number of

 

Outcome

Dose

Trials

Patients

Weighted mean

Percentage successful attempts

placebo

16

1448

23

 

50/100

16

1589

65

Erectile function domain score

placebo

23

1870

14.0

 

50/100

23

1893

22.0

Erectile function domain change

placebo

23

1870

2.7

 

50/100

23

1893

10.1

Tadalafil

  

Number of

 

Outcome

Dose

Trials

Patients

Weighted mean

Percentage successful attempts

placebo

6

388

26

 

10/20

6

1047

62

Erectile function domain score

placebo

6

388

14.6

 

10/20

6

1047

22.3

Erectile function domain change

placebo

7

459

0.8

 

10/20

7

1192

8.4

Vardenafil

  

Number of

 

Outcome

Dose

Trials

Patients

Weighted mean

Percentage successful attempts

placebo

7

996

28

 

10/20

7

1789

59

Erectile function domain score

placebo

7

996

14.0

 

10/20

7

1789

20.1

Erectile function domain change

placebo

7

996

1.3

 

10/20

7

1344

8.3