Table 6.
Subgroup analyses on age, total hours, trial length, and duration based on Action Research Arm Test measures.
| Outcomes and moderating factors | Between-group/within-group comparison | Number of trials analyzed and number of participants involved | Mean difference (95% CI) | P value | I2 (%) | |||||||
| Action Research Arm Test |
|
|
|
|
|
|||||||
|
|
Age (years) |
|
|
|
|
|
||||||
|
|
|
Younger (≤60.52) | Within-group | 2; N=36 | 9.13 (7.28 to 10.98) | <.001 | 33 | |||||
|
|
|
Older (>60.52) | Within-group | 2; N=82 | 10.73 (4.92 to 16.54) | <.001 | 0 | |||||
|
|
Total dosage (hours) |
|
|
|
|
|
||||||
|
|
|
<30 | Within-group | 2; N=82 | 10.73 (4.92 to 16.54) | <.001 | 0 | |||||
|
|
|
≥30 | Within-group | 2; N=36 | 9.13 (7.28 to 10.98) | <.001 | 33 | |||||
|
|
Trial length (weeks) |
|
|
|
|
|
||||||
|
|
|
<4 | Within-group | 2; N=36 | 4.32 (–4.39 to 13.04) | .33 | 0 | |||||
|
|
|
≥4 | Within-group | 2; N=82 | 9.49 (7.69 to 11.29) | <.001 | 0 | |||||
|
|
Duration of a session (hours) |
|
|
|
|
|
||||||
|
|
|
≤1 | Within-group | 2; N=82 | 10.73 (4.92 to 16.54) | <.001 | 0 | |||||
|
|
|
>1 | Within-group | 2; N=36 | 9.13 (7.28 to 10.98) | <.001 | 33 | |||||
|
|
Frequency (days/week) |
|
|
|
|
|
||||||
|
|
|
≤4 | Within-group | 2; N=82 | 9.49 (7.69 to 11.29) | <.001 | 0 | |||||
|
|
|
>4 | Within-group | 2; N=36 | 4.32 (–4.39 to 13.04) | .33 | 0 | |||||