Table 3 Descriptive statistics for physical performance measures according to age group (men)
From: Physical performance reference values for Japanese oldest old: a SONIC study
| Â | p | ||||
|---|---|---|---|---|---|
Variables | Mean ± standard deviation | for trend | |||
Overall | Age group | ||||
70 | 80 | 90 | |||
Hand grip strength, kg (n) | 28.8 ± 6.9 (1259) | 32.9 ± 6.6 (471) | 28.1 ± 5.7 (444) | 24.1 ± 5.4 (344) | <  0.001 |
Usual Gait speed, m/s (n) | 0.90 ± 0.22 (1250) | 0.96 ± 0.23 (471) | 0.91 ± 0.20 (414) | 0.80 ± 0.22 (336) | <  0.001 |
5times chair stand, sec (n) | 13.53 ± 5.0 (1217) | 12.2 ± 3.32 (468) | 12.3 ± 3.47 (436) | 17.2 ± 6.73 (313) | <  0.001 |
Tandem balance, sec (n) | 8.26 ± 3.5 (1255) | 9.39 ± 2.19 (478) | 9.26 ± 2.31 (442) | 5.89 ± 4.42 (335) | <  0.001 |
SPPB total score (n) | 10.1 ± 2.0 (1250) | 10.8 ± 1.4 (471) | 10.6 ± 1.6 (443) | 8.3 ± 2.2 (336) | <  0.001 |