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Table 2 Mann–Whitney U test results comparing between-group accelerations values ( N= 18)

From: Mobile Romberg test assessment (mRomberg)

  Percentiles U Sig. (2-tailed)
25% 50% 75%
Age (years) 74.75 78.0 85.25 23.00 0.120
Weight (kilograms) 54.0 59.0 66.0 23.50 0.130
Height (meters) 1.50 1.57 1.61 32.50 0.479
BMI (kg/m2) 22.30 24.77 26.74 18.00 0.047
Max_zAccel_EC_parallel (m/s2) -0.453 -0.235 -0.068 6.00 0.002
Min_zAccel_EC_parallel (m/s2) -0.543 -0.345 -0.230 9.00 0.005
Min_RV_Accel_EC_parallel (m/s2) 0.942 0.982 0.993 2.00 0.001
Min_xAccel_EO_parallel (m/s2) -0.075 0-.025 0.013 21.50 0.091
Max_zAccel_EO_parallel (m/s2) -0.435 -0.165 0.098 3.00 0.001
Min_zAccel_EO_parallel (m/s2) -0.558 -0.405 -0.203 10.50 0.008
Max_RV_Accel_EO_parallel (m/s2) 1.030 1.040 1.061 21.00 0.085
Min_RV_Accel_EO_parallel (m/s2) 0.943 0.973 0.997 0.00 <0.001
  1. Grouping Variable: Frailty. Max. maximum; Min. minimum; x. x axis; z. z axis; RV. resultant vector; accel. acceleration; EC. eyes closed; EO. eyes open; m. meters; s. seconds; kg. kilograms; U. Mann–Whitney U.