| tadalafil | placebo |  |  | ||
---|---|---|---|---|---|---|
 | start | end | start | end | Pt | Pgt |
10 m, comfortable speed (time in seconds) | 16.2 ± 13.0 | 16.3 ± 14.1 | 15.6 ± 8.2 | 13.2 ± 5.9 | 0.36 | 0.34 |
10 m, maximal speed (time in seconds) | 9.8 ± 4.4 | 9.2 ± 4.5 | 7.9 ± 1.9 | 8.6 ± 2.8 | 0.76 | 0.06 |
2 minute walking test (distance in m) | 106.9 ± 34.9 | 119.6 ± 46.3 | 92.5 ± 30.4 | 111.8 ± 32.6 | 0.01* | 0.49 |
Walking questionnaire scores | 27.5 ± 6.9 | 25.3 ± 10.6 | 27.6 ± 6.0 | 28.1 ± 5.7 | 0.44 | 0.22 |