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Scores on the balance test for the variable total area of center or pressure. (A) Comparison by testing conditions (open eyes vs. closed eyes) and (B) Comparison by age group. Lower values are associated with better performance on the task. O: Older adults; MA: middle-aged adults YA: young adults; T: teenagers; OE open eyes; CE: closed eyes. * p < 0.001. # post hoc differences only vs. the group of teenagers, p < 0.001.
