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Table 2 Mean ± standard deviation of parameters for healthy and falls-risk elderly subjects.

From: A comparative study on approximate entropy measure and poincaré plot indexes of minimum foot clearance variability in the elderly during walking

Parameters Heatlhy (n = 14) Falls-risk (n = 10) p value
Mean MFC 1.65 ± 0.75 2.01 ± 0.51 0.20004
SD MFC 0.35 ± 0.13 0.48 ± 0.16 0.0348
SD1 0.51 ± 0.19 0.72 ± 0.25 0.0309
SD2 0.89 ± 0.32 1.15 ± 0.40 0.0453
SD1/SD2 0.64 ± 0.13 0.64 ± 0.12 0.8912
ApEn 0.13 ± 0.13 0.18 ± 0.03 0.0001
  1. SD1 = Poincaré width, SD2 = Poincaré length, SD = standard deviation, ApEn = Approximate entropy.