Table 3 Spearman’s rank correlations between posturographic parameters with BBS at EO state

COP_v_x(m/s)

0.029 ± 0.006

-0.371 (0.011^*)

COP_v_y(m/s)

0.044 ± 0.02

-0.24(0.106)

COP_SD_x

0.00765 ± 0.001

-0.243(0.103)

COP_SD_y

3.26 ± 2.34

-0.268(0.072)

COP_PEA(cm²)

35.67 ± 9.86

-0.553(0.001^**)

COP_Rg_x(m)

0.084 ± 0.03

-0.239(0.011)

COP_Rg_y(m)

0.111 ± 0.03

-0.137(0.364)

COP_SP_x(cm)

159.77 ± 21.7

-0.211(0.159)

COP_SP_y(cm)

139.11 ± 20.9

-0.203(0.177)

PSD_F80_x(Hz)

1.14 ± 0.25

-0.444(0.001^**)

PSD_F80_x(Hz)

1.35 ± 0.3

-0.055(0.715)

PSD_LPeak_x(Hz)

1.34 ± 0.19

-0.103(0.496)

PSD_LPeak_y(Hz)

0.31 ± 0.12

-0.206(0.17)

PSD_HPeak_x(Hz)

0.45 ± 0.23

-0.29(0.047^*)

PSD_HPeak_y(Hz)

0.453 ± 0.23

-0.294(0.046^*)

PSD_LSlope_x

-0.97 ± 0.15

0.111(0.462)

PSD_LSlope_y

-0.43 ± 0.15

-0.072(0.636)

PSD_HSlope_x

-0.058 ± 0.07

0.484(0.001**)

PSD_HSlope_y

-0.1 ± 0.09

0.385(0.008^**)

PSD_CP_x(Hz)

0.5 ± 0.01

0.11(0.466)

PSD_CP_y(Hz)

0.48 ± 0.03

0.358(0.015^*)

SDA_SSlope_x

1.73 ± 0.27

0.309(0.044*)

SDA_SSlope_y

-0.43 ± 0.15

-0.072(0.636)

SDA_LSlope_x

1.41 ± 0.06

0.309(0.04^*)

SDA_LSlope_y

-0.43 ± 0.15

-0.072(0.63)

SDA_CP_x

-0.97 ± 0.38

-0.073(0.63)

SDA_CP_y

-1.16 ± 0.254

-0.463(0.001**)

SDP_MT(s)

0.43 ± 0.03

-0.133(0.37)

SDP_MP(Hz)

58.2 ± 0.63

0.037(0.81)

SDP_MD(m)

0.0055 ± 0.001

-0.539(0.001^**)