Table 4. Descriptive characteristics of participants stratified by age group with IPS (CE/SS)/IPS (OE/HS).
| Age group | Total | Men | Women | p value |
|---|---|---|---|---|
| 19–25 | 0.34 ± 0.10 | 0.34 ± 0.09 | 0.35 ± 0.10 | 0.621 |
| 26–35 | 0.32 ± 0.14 | 0.35 ± 0.13 | 0.31 ± 0.13 | 0.163 |
| 36–45 | 0.29 ± 0.10 | 0.32 ± 0.11 | 0.29 ± 0.09 | 0.216 |
| 46–55 | 0.26 ± 0.10 | 0.19 ± 0.14 | 0.27 ± 0.10 | 0.112 |
| 56–65 | 0.22 ± 0.10 | 0.19 ± 0.09 | 0.22 ± 0.10 | 0.163 |
| 66–75 | 0.18 ± 0.11 | 0.16 ± 0.11 | 0.18 ± 0.11 | 0.424 |
| 76–85 | 0.14 ± 0.10 | 0.18 ± 0.12 | 0.12 ± 0.07 | 0.060 |
Data are means ± standard deviation. IPS: index of postural stability (Refer to “IPS measurement” in SUBJECTS AND METHODS); CE/SS: closed-eye/soft-surface; OE/HS: open-eye/hard-surface. p value was calculated between men and women.