TABLE 1.

Descriptive statistics of A-span and A-span percent change for each age group.

		Children	Young adults	Older adults
A-span	Mean	29.61 sec	76.24 sec	67.01 sec
	Median	27.37 sec	72.17 sec	59.31 sec
	Stdev	13.86 sec	30.55 sec	28.28 sec
	Range	8.88–77.92 sec	27.12–189.74 sec	25.95–186.98 sec
A-span % change	Mean	−12.55%	20.02%	4.88%
	Median	−27.41%	−2.54%	−8.40%
	Stdev	46.73%	78.09%	61.62%
	Range	−68.45–160.25%	−76.21–346.08%	−67.20–299.38%
	p-value	0.003**	0.328	0.606

The row indicating “p value” reflects results from the Wilcoxon signed rank tests assessing if A-span percent change significantly differed from 0. **p < 0.01.