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Table 2 Comparisons of the GVMBT with the BBS and the TUG: floor and ceiling effects

From: Cross-cultural adaption and validation of the German version of the Mini-BESTest in individuals after stroke: an observational study

Measurement instruments (Range of scores) Skewness [95%CI]
p- value
Kurtosis [95%CI]
p- value
Floor effect (% participants with lowest possible score) Ceiling effect (% participants with highest possible score)
GVMBT (0–28 points) −0.19 [− 0.87;0.49]
0.29
−1.10 [−2.46;0.26]
0.06
0 2
BBS (0–56 points) −1.06 [− 1.74;− 0.39]
0.001**
0.40 [− 0.96;1.76]
0.28
0 14
TUG (time in seconds) 0.68 [0.01;1.36]
0.02*
-0.39 [−1.74;0.97]
0.29
NA NA
  1. GVMBT German version of the Mini-Balance Evaluation Systems Test, BBS Berg Balance Scale, TUG Timed "Up & Go", s Seconds, 95% CI 95% Confidence interval, SE Standard error, NA Not applicable
  2. * p < .05, ** p < .01