Table 3 Acceleration-based values from the GG and GC phases (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) | ||||
GG | |||||
t.stopwatch (s) | 10.23 (7.82 / 15.04) | 3.71 (2.45 / 3.98) | 0.000 | 2.119 | <0.001 |
x.acc.max (m/s2) | 2.06 (1.64 / 2.45) | 5.84 (3.55 / 8.78) | 14.00 | -1.479 | <0.001 |
x.acc.min (m/s2) | -2.45 (-2.77 /-1.89) | -5.93 (-6.87 / -4.51) | 9.00 | 1.910 | <0.001 |
y.acc.max (m/s2) | 2.50 (2.25 / 3.04) | 9.59 (7.81 / 10.89) | 0.000 | -5.212 | <0.001 |
y.acc.min (m/s2) | -2.50 (-3.35 / -2.04) | -9.07 (-12.71 / -5.63) | 13.00 | 1.578 | <0.001 |
y.acc.mean (m/s2) | 0.15 ( 0.09 / 0.22) | 0.46 (0.29 / 1.13) | 29.00 | -1.234 | 0.002 |
z.acc.min (m/s2) | -1.96 (-3.95 / -1.08) | -7.64 (-0.48 / -6.52) | 0.000 | 3.303 | <0.001 |
z.acc.mean (m/s2) | -0.57 (-1.62 / 0.58) | -2.72 (-9.99 / -2.39) | 18.00 | 1.936 | <0.001 |
rv.acc.max ( m/s2) | 4.03 (3.22 / 4.99) | 11.71 (10.33 / 13.87) | 0.000 | -1.957 | <0.001 |
rv.acc.min ( m/s2) | 0.42 (0.14 / 0.85) | 1.54 (0.97 / 2.47) | 29.00 | -1.258 | 0.002 |
rv.acc.mean ( m/s2) | 1.91 (1.51 / 2.33) | 6.03 (5.27 / 6.75) | 0.000 | -4.776 | <0.001 |
GC | |||||
t.stopwatch (s) | 5.91 (4.54 / 10.45) | 1.85 (1.55 / 2.21) | 8.00 | 1.923 | <0.001 |
x.acc.max (m/s2) | 2.35 (1.83 / 2.62) | 5.03 (3.54 / 7.35) | 19.00 | -1.587 | <0.001 |
x.acc.min (m/s2) | -2.40 (-3.26 / -1.81) | -5.56 (-7.95 / -3.95) | 13.00 | 1.859 | <0.001 |
y.acc.max (m/s2) | 2.35 (1.94 / 2.97) | 9.26 (8.50 / 11.07) | 0.000 | -5.436 | <0.001 |
y.acc.min (m/s2) | -2.59 (-3.38 / -2.06) | -8.25 (-15.62 / -5.43) | 13.00 | 1.389 | <0.001 |
y.acc.mean (m/s2) | 0.18 (0.11 / 0.26) | 0.38 (0.31 / 1.12) | 24.00 | -1.199 | <0.001 |
z.acc.mean (m/s2) | -0.45 (-1.81 / 0.61) | -2.98 (-4.62 / -2.35) | 17.00 | 2.024 | <0.001 |
rv.acc.max ( m/s2) | 4.31 (3.39 / 5.03) | 11.85 (9.18 / 16.26) | 0.000 | -1.802 | <0.001 |
rv.acc.min ( m/s2) | 0.33 (0.21 /0.65) | 1.53 (0.64 / 3.13) | 30.00 | -1.292 | 0.002 |
rv.acc.mean ( m/s2) | 1.96 (1.49 / 2.64) | 5.79 ( 5.31 / 6.97) | 0.000 | -4.859 | <0.001 |