| Baseline | 12 Months | 18 Months | ||||||
---|---|---|---|---|---|---|---|---|---|
W | WB | C | W | WB | C | W | WB | C | |
N | N | N | N | N | N | N | N | N | |
Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |
 |  |  | W Vs. C(P) | WB Vs. C(P) | WB Vs. W(P) | W Vs. C(P) | WB Vs. C(P) | WB Vs. W(P) | |
6-min walk | 79 | 68 | 74 | 44 | 41 | 40 | 42 | 39 | 35 |
456.45 ± 87.62 | 475.27 ± 90.77 | 490.89 ± 99.30 | 524.86 ± 106.52 | 509.41 ± 82.43 | 520.52 ± 115.14 | 492.91 ± 86.95 | 500.15 ± 77.46 | 540.35 ± 103.37 | |
 |  |  |  | 0.063 | 0.535 | 0.215 | 0.366 | 0.318 | 0.902 |