Table 3.
App usage and excessive muscle loss.
| App usage | Nonexcessive muscle loss group (n=24) | Excessive muscle loss group (n=12) | P value | ||
| App activation level, n (%) | .96 | ||||
|
|
Low | 5 (20.8) | 3 (25) |
|
|
|
|
Moderate | 2 (8.3) | 1 (8.3) |
|
|
|
|
High | 17 (70.8) | 8 (66.7) |
|
|
| First to fourth week, n (%) | .99 | ||||
|
|
No full activation | 6 (25) | 3 (25) |
|
|
|
|
Full activation | 18 (75) | 9 (75) |
|
|
| Fifth to eighth week, n (%) | .11 | ||||
|
|
No full activation | 6 (25) | 7 (58.3) |
|
|
|
|
Full activation | 18 (75) | 5 (41.7) |
|
|
| Walk stepsa |
|
||||
|
|
Steps per week/103, mean (SD) | 15.8 (13.1) | 16.8 (17) | .85 | |
|
|
First to fourth week (a), mean (SD) | 16.9 (13.2) | 18.4 (18.2) | .79 | |
|
|
Fifth to eighth week (b), mean (SD) | 10.4 (10.5) | 5.6 (9) | .22 | |
|
|
Δ (b–a, %), mean (SD) | –33.1 (64.4) | –69.0 (35.5) | .13 | |
|
|
Decrease <70%, n (%) | 18 (85.7) | 3 (33.3) | .02 | |
|
|
Decrease >70%, n (%) | 3 (14.3) | 6 (66.7) | —b | |
aNonexcessive muscle loss group (n=21); excessive muscle loss group (n=9).
bNot applicable.