Table 11.

Outcomes measures, risk bias of the studies included in the meta-analysis and sensitivity analysis

outcomes	References	Design	P value	Egger’s test (P value)
One-leg stance	Champagne(2012) [30] Silva(2016) [32] Kato(2019) [33]	case-control	P = 0.24	0.365
COP area	Lee(2016) [25] Kendall(2018) [27] Lihavainen(2010) [29] Silva(2016) [32]	case-control	P < 0.01	0.273
COP AP velocity	Lee(2016) [25] Kendall(2018) [27] Lihavainen(2010) [29] Silva(2016) [32]	case-control	P = 0.01	0.929
COP ML velocity	Lee(2016) [25] Kendall(2018) [27] Lihavainen(2010) [29] Silva(2016) [32]	case-control	P = 0.02	0.161
COP AP range	Brumagne(2004) [23] Lee(2016) [25]	case-control	P < 0.01	0.184
Gait	Sung(2017) [28] Hicks(2018) [31] Champagne(2012) [30]	case-control	P = 0.05	0.037
TUG	Yi-Liang(2015) [21] Iversen(2009) [26] Champagne(2012) [30]	case-control	P < 0.01	0.317
RPW	Ito(2018) [22] Ito(2017) [24]	case-control	P = 0.69	0.682

COP centre of pressure, RPW relative proprioceptive weighting, AP anteroposterior, ML mediolateral, TUG timed up and go test