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Table 4 Correlation coefficients among measures of MFC in 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

  Mean MFC SD MFC SD1 SD2 SD1/SD2 ApEn
Mean MFC 1 0.85*** 0.70* 0.86** -0.44 0.74*
SD MFC   1 0.90*** 0.99*** -0.37 0.58
SD1    1 0.81** 0.06 0.49
SD2     1 -0.51 0.59
SD1/SD2      1 -0.28
ApEn       1
  1. Correlation coefficients among mean MFC, Poincaré plot indexes (SD1, SD2, SD1/SD2) and ApEn of MFC in the falls-risk elderly subjects (n = 10).* p < 0.05 ** p < 0.01 *** p < 0.001 SD1 = Poincaré width, SD2 = Poincaré length, SD = standard deviation.