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Table 2 The intra-class correlation (ICC), and the percentile standard error of measurement (%SEM) of FTRs

From: A new postural stability-indicator to predict the level of fear of falling in Parkinson’s disease patients

Level of height FTR1 FTR2 FTR3
Ground
 ICC(2,3) 0.84 0.89 0.68
 SEM (%SEM) 2.8 (4.9%) 2.5 (8.8%) 1.9 (12.78%)
20 cm
 ICC(2,3) 0.89 0.88 0.79
 SEM (%SEM) 2.7 (4.59%) 2.6 (9.46%) 1.62 (11.93%)
40 cm
 ICC(2,3) 0.91 0.93 0.76
 SEM (%SEM) 2.35 (3.88%) 1.91 (7.04%) 1.65 (13.48%)
  1. FTR Functional Time Ratio