|  |  |  | Baseline | End of study | ||||
---|---|---|---|---|---|---|---|---|---|
 |  |  |  | All subjects (N = 15) | |||||
 |  |  |  | Withdrawn (N = 5) | Completed (N = 10) | Pa | Completed (N = 10) | Difference | Pb |
 | Number |  |  | ||||||
PS | 1 | Â | Â | 0 | 2 | 0.79# | 4 | Â | 0.15# |
 | 2 |  |  | 2 | 4 |  | 4 |  |  |
 | 3 |  |  | 3 | 4 |  | 2 |  |  |
 | Mean (SD) |  | |||||||
6 MWT | m |  | 257 (160) | 166 (138) | 303 (157) | 0.11 | 282 (171) | −21.1 (167.7) | 0.70 |
 | % |  | 50.2 (32.2) | 31.0 (24.6) | 59.8 (32.2) | 0.08 | 56.0 (34.5) | −3.8 (33.3) | 0.73 |
STS | s |  | 8.0 (4.3) | 7.6 (3.4) | 8.2 (4.8) | 0.80 | 7.0 (3.3) | −1.2 (3.4) | 0.30 |
 | S-score |  | 2.6 (2.4) | 2.2 (2.0) | 2.7 (2.2) | 0.69 | 2.0 (1.8) | −0.7 (2.0) | 0.30 |