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Table 5 Gyroscope-based values from the Si-St and T-St-Si 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)    
Si-St
t.stopwatch 7.03 (5.14 / 10.88) 2.23 (2.01 / 2.49) 13.00 1.255 <0.001
roll.rotation.max (deg) 162.4 (20.92 / 179.3) 196.54 (179.4 / 287.4) 35.00 -0.897 0.001
roll.rotation.mean (deg) -38.62 (-62.62 / 46.11) 83.83 (-48.28 / 220.73) 61.00 -0.951 0.034
rate.yaw.min (deg/s) -44.39 (-59.08 / -31.93) -26.13 (-33.96 / -2.36) 42.00 -0.978 0.004
rate.pitch.max (deg/s) 22.56 (16.63 / 38.59) 123.40 (36.47 / 287.21) 28.00 -0.954 <0.001
rate.roll.max (deg/s) 17.68 (12.56 / 24.93) 165.43 (79.95 / 319.6) 0.000 -1.708 <0.001
rate.roll.min (deg/s) -17.11 (-29.47 / -10.36) -62.59 (-89.82 / -15.96) 56.00 1.482 0.020
rate.roll.mean (deg/s) 0.58 (-0.76 / 1.27) 49.99 (-0.43 / 134.31) 59,00 -0.852 0.028
T-St-Si
t.stopwatch (s) 10.42 (7.64 / 14.52) 3.71 (2.88 / 4.01) 2.00 1.966 <0.001
roll.rotation.min (deg) -176.1 (-179.27 / -166.93) -49.25 (-178.4 / 0.31) 60.00 -1.254 0.031
roll.rotation.mean (deg) -19.03 (-44.13 / 11.71) 30.81 (-28.32 / 247.87) 62.00 -0.942 0.038
rate.yaw.max (deg/s) 40.31 (34.54 / 51.77) 65.53 (36.13 / 292.39) 57.00 -0.908 0.022
rate.yaw.min (deg/s) -67.38 (-87.12 / -46.83) -33.68 (-63.23 / -4.24) 49.00 -1.151 0.009
rate.roll.max (deg/s) 32.95 (26.11 / 44.67) 80.42 (62.84 / 295.52) 13.00 -1.159 <0.001
rate.roll.min (deg/s) -20.51 (-32.63 / -14.27) -74.50 (-102.45 / -13.4) 58.00 1.185 0.025
  1. max, maximum; min, minimum; t, time; s, second; deg, degrees; rate, angular velocity; U, U-Mann–Whitney; Si-St, Sit to Stand; T-St-Si, Turn Stand to Sit; d, Cohen’s d; IQR, interquartil range (percentil 25% / percentil 75%).