Table 4 Acceleration-based values from the T phase ( N = 30)
From: Differences in trunk accelerometry between frail and non-frail elderly persons in functional tasks
Frail (n = 14) | Non-frail (n = 16) | U | d | p-Value | |
|---|---|---|---|---|---|
Median (IQR) | Median (IQR) | ||||
t.stopwatch (s) | 10.42 (7.64 / 14.53) | 1.83 (1.46 / 2.12) | 2.000 | 1.441 | <0.001 |
x.acc.min (m/s2) | -1.86 (-2.89 / -1.25) | -5.62 (-7.85 / -4.23) | 41.00 | 2.014 | 0.003 |
y.acc.max (m/s2) | 2.01 (1.47 / 2.87) | 7.72 (4.64 / 9.74) | 26.50 | -2.629 | <0.001 |
y.acc.min (m/s2) | -1.62 (-3.14 / -1.18) | -6.01 (-11.77 / -4.92) | 14.00 | 1.503 | <0.001 |
z.acc.min (m/s2) | -1.52 (-2.89 / -0.44) | -6.80 (-9.65 / -4.97) | 35.00 | 2.604 | <0.001 |
z.acc.mean (m/s2) | -0.08 (-1.29 / 0.93) | -2.57 (-3.84 / -1.89) | 36.00 | 1.830 | 0.002 |
rv.acc.max ( m/s2) | 3.48 (2.65 / 4.82) | 10.34 (8.30 / 13.08) | 41.00 | -1.782 | 0.003 |
rv.acc.min ( m/s2) | 0.39 (0.20 / 0.67) | 1.23 (0.69 / 2.05) | 38.00 | -0.930 | 0.002 |