Table 5.
Results for the subgroup analyses on the effects of different categories of respective training volume on overall balance.
| Independent training modality | SMDa | 95% CI | z value (P value) | I2b (%) | df | P value between groups | |||||||
| Single training time | |||||||||||||
|
|
0-20 min | 6.446 | –1.098 to 13.990 | 1.67 (.094) | 98.7 | 2 | <.001 | ||||||
|
|
21-40 min | 1.050 | 0.122 to 1.979 | 2.22 (.027) | 89.4 | 5 | <.001 | ||||||
|
|
41-60 min | 1.644 | 0.378 to 2.910 | 2.54 (.011) | 93.6 | 6 | <.001 | ||||||
| Training frequency | |||||||||||||
|
|
1-3 sessions per week | 0.770 | –0.060 to 1.600 | 1.82 (.069) | 90.6 | 8 | <.001 | ||||||
|
|
4-6 sessions per week | 4.067 | 2.223 to 5.911 | 4.32 (<.001) | 96.1 | 6 | <.001 | ||||||
| Training period | |||||||||||||
|
|
3-5 weeks | 2.478 | 0.893 to 4.063 | 3.06 (.002) | 95.9 | 5 | <.001 | ||||||
|
|
6-8 weeks | 1.917 | 0.515 to 3.320 | 2.68 (.007) | 95.5 | 7 | <.001 | ||||||
|
|
9-12 weeks | 2.166 | 1.417 to 2.914 | 5.67 (.001) | 5.30 | 1 | <.001 | ||||||
| Total number of training sessions | |||||||||||||
|
|
10-20 sessions | 0.844 | –0.210 to 1.898 | 1.57 (.117) | 91.4 | 6 | <.001 | ||||||
|
|
21-30 sessions | 2.638 | 1.003 to 4.272 | 3.16 (.002) | 96.5 | 5 | <.001 | ||||||
|
|
＞30 sessions | 4.405 | 1.102 to 7.707 | 2.61 (.009) | 95.0 | 2 | <.001 | ||||||
| Total duration of VRc training per week | |||||||||||||
|
|
0-100 min | 2.313 | 0.671 to 3.955 | 2.76 (.006) | 96.1 | 7 | <.001 | ||||||
|
|
101-200 min | 1.079 | 0.046 to 2.112 | 2.05 (.041) | 90.6 | 4 | <.001 | ||||||
|
|
201-300 min | 4.059 | 0.738 to 7.379 | 2.40 (.017) | 96.7 | 2 | <.001 | ||||||
aSMD: standardized mean difference.
bI2: heterogeneity between studies.
cVR: virtual reality.