(b).
| Age | BBS | AP SD OE | ML SD OE | Area ellipse OE | Total SD OE | AP SD OEC | ML SD OEC | Area ellipse OEC | Total SD OEC | |
|---|---|---|---|---|---|---|---|---|---|---|
| Age | 1.00 | −0.68 (p = 0.016) |
0.05 (p = 0.874) |
0.21 (p = 0.515) |
0.06 (p = 0.841) |
−0.01 (p = 0.986) |
−0.31 (p = 0.330) |
0.08 (p = 0.811) |
−0.24 (p = 0.462) |
−0.04 (p = 0.891) |
| BBS | −0.68 (p = 0.016) |
1.00 | −0.10 (p = 0.753) |
−0.38 (p = 0.227) |
−0.18 (p = 0.574) |
0.19 (p = 0.546) |
−0.16 (p = 0.625) |
−0.22 (p = 0.500) |
−0.07 (p = 0.834) |
0.07 (p = 0.827) |
| AP SD OE | 0.05 (p = 0.874) |
−0.10 (p = 0.753) |
1.00 | −0.06 (p = 0.849) |
0.91 p < 0.001 |
0.28 (p = 0.382) |
0.38 (p = 0.218) |
−0.11 (p = 0.732) |
0.06 (p = 0.841) |
0.32 (p = 0.314) |
| SD ML OE | 0.21 (p = 0.515) |
−0.38 (p = 0.227) |
−0.06 (p = 0.849) |
1.00 | 0.31 (p = 0.321) |
−0.04 (p = 0.903) |
0.36 (p = 0.250) |
0.56 (p = 0.060) |
0.42 (p = 0.176) |
−0.25 (p = 0.442) |
| Area ellipse OE | 0.06 (p = 0.841) |
−0.18 (p = 0.574) |
0.91 p < 0.001 |
0.31 (p = 0.321) |
1.00 | 0.30 (p = 0.340) |
0.58 (p = 0.047) |
0.20 (p = 0.528) |
0.30 (p = 0.336) |
0.31 (p = 0.328) |
| Total SD OE | −0.01 (p = 0.986) |
0.19 (p = 0.546) |
0.28 (p = 0.382) |
−0.04 (p = 0.903) |
0.30 (p = 0.340) |
1.00 | 0.45 (p = 0.144) |
0.63 (p = 0.030) |
0.65 (p = 0.022) |
0.70 (p = 0.011) |
| AP SD OEC | −0.31 (p = 0.330) |
−0.16 (p = 0.625) |
0.38 (p = 0.218) |
0.36 (p = 0.250) |
0.58 (p = 0.047) |
0.45 (p = 0.144) |
1.00 | 0.68 (p = 0.014) |
0.88 p < 0.001 |
0.43 (p = 0.165) |
| ML SD OEC | 0.08 (p = 0.811) |
−0.22 (p = 0.500) |
−0.11 (p = 0.732) |
0.56 (p = 0.060) |
0.20 (p = 0.528) |
0.63 (p = 0.030) |
0.68 (p = 0.014) |
1.00 | 0.90 p < 0.001 |
0.41 (p = 0.184) |
| Area ellipse OEC | −0.24 (p = 0.462) |
−0.07 (p = 0.834) |
0.06 (p = 0.841) |
0.42 (p = 0.176) |
0.30 (p = 0.336) |
0.65 (p = 0.022) |
0.88 p < 0.001 |
0.90 p < 0.001 |
1.00 | 0.45 (p = 0.142) |
| Total SD OEC | −0.04 (p = 0.891) |
0.07 (p = 0.827) |
0.32 (p = 0.314) |
−0.25 (p = 0.442) |
0.31 (p = 0.328) |
0.70 (p = 0.011) |
0.43 (p = 0.165) |
0.41 (p = 0.184) |
0.45 (p = 0.142) |
1.00 |
BBS: Berg Balance Scale; OE: open eyes; OEC: open eyes counting; AP SD OE: anteroposterior standard deviation of trunk sway with open eyes; ML SD OE: mediolateral standard deviation of trunk sway with open eyes; Total SD OE: total standard deviation of trunk sway with open eyes; AP SD OEC: anteroposterior standard deviation of trunk sway with open eyes counting; ML SD OEC: mediolateral standard deviation of trunk sway with open eyes counting; Total SD OEC: total standard deviation of trunk sway with open eyes counting.