Table 1.

Characteristics of participants in each study.

Study	Total number	Age (years): mean ± SD	Sex	Health status
Kaski et al. (2013)	9	79.4 ± 5.5	2F, 7M	Leukoaraiosis
Manor et al. (2015)	37	61 ± 5	25F, 12M	Healthy
Saeys et al. (2015)	31	63.22 ± 8.5	14F, 17M	Stroke
Zhou et al. (2015)	20	63 ± 3.6	9F, 11M	Healthy
Ehsani et al. (2017)	29	65.79 ± 6.11	16F, 14M	Healthy
Kaminski et al. (2017)	30	67.7 ± 6	17F, 13M	Healthy
Manor et al. (2018)	19	80.42 ± 4.18	10F, 9M	Slow gait and cognitive executive dysfunction
Nomura and Kirimoto (2018)	12	72.3 ± 5.3	8F, 4M	Healthy
Yosephi et al. (2018)	73	66.07 ± 4.37	N/A	High fall risk
Zhou et al. (2018)	20	61 ± 4	N/A	Healthy

F, female; M, male; SD, standard deviation.