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Table 3 Wilcoxon’s Signed Ranks Test results comparing differences means values derived from differences between EO vs. EC ( N= 18)

From: Mobile Romberg test assessment (mRomberg)

  Frail (N = 9) Non-frail (N = 9)
Z Sig Z Sig
Max_xAccel_EO_para (m/s2) -0.070 0.944 -1.265 0.206
Max_xAccel_EC_para (m/s2)
Min_xAccel_EO_para (m/s2) -0.674 0.500 -1.897 0.058
Min_xAccel_EC_para (m/s2)
Max_zAccel_EO_para (m/s2) -0.841 0.400 -0.656 0.512
Max_zAccel_EC_para (m/s2)
Min_zAccel_EO_para (m/s2) -0.593 0.553 -0.282 0.778
Min_zAccel_EC_para (m/s2)
Max_RV_Accel_EO_para (m/s2) -0.700 0.484 -0.889 0.374
Max_RV_Accel_EC_para (m/s2)
Min_RV_Accel_EO_para (m/s2) -0.420 0.674 -0.770 0.441
Min_RV_Accel_EC_para (m/s2)
Max_xAccel_EO_Tandem (m/s2) 0.000 1.000 -1.123 0.261
Max_xAccel_EC_Tandem (m/s2)
Min_xAccel_EO_Tandem (m/s2) -1.214 0.225 -1.262 0.207
Min_xAccel_EC_Tandem (m/s2)
Max_zAccel_EO_Tandem (m/s2) -0.365 0.715 -1.836 0.066
Max_zAccel_EC_Tandem (m/s2)
Min_zAccel_EO_Tandem (m/s2) -1.089 0.276 -0.834 0.404
Min_zAccel_EC_Tandem (m/s2)
Max_RV_Accel_EO_Tandem (m/s2) -2.023 0.043 -1.718 0.086
Max_RV_Accel_EC_Tandem (m/s2)
Min_RV_Accel_EC_Tandem (m/s2) -1.214 0.225 -1.362 0.173
Min_RV_Accel_EO_Tandem (m/s2)
  1. 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; para. Parallel.