Longitudinal change in 6MWD for the subgroup alive and able to complete the 6MWT
| Baseline | 6 months | 12 months | p Value | |
| Baseline 6MWD | ||||
| 150–249 m (n=11) | 198.3 (32) | 211.5 (127.5) | 172.5 (118.8) | 0.7 |
| 250–349 m (n=28) | 311.3 (28.5) | 279.4 (106) | 262.9 (110.2) | 0.13 |
| 350–499 m (n=84) | 424.5 (39.6) | 430.9 (77) | 419.5 (97.5) | 0.6 |
Data are presented as mean (SD). p Value from repeated measures ANOVA that compared within-group 6MWD between time points.
6MWD, 6 minute walk distance; 6MWT, 6 minute walk test.