. 2020 May 2;12(5):1297. doi: 10.3390/nu12051297

Table 3.

Cognitive performance in corsi block-tapping task between the four water categories (% of TWI).

	≤25%				≤50%			≤75%			>75%		p Value
	$\tilde{x}$	25^th	75^th	$\tilde{x}$	25^th	75^th	$\tilde{x}$	25^th	75^th	$\tilde{x}$	25^th	75^th	p Value
Corsi Block		n = 23			n = 82			n = 73			n = 71
Longest Path (n)	5.0	4.0	5.0	5.0	5.0	6.0	5.0	5.0	6.0	5.0	4.0	6.0	0.009
Correct immediate block span (n)	5.0	4.0	6.0	7.0	5.0	8.0	6.0	5.0	8.0	5.0	4.0	7.0	0.009
Score	9.0	6.0	12.0	13.0	9.0	18.0	12.0	8.0	15.5	9.0	6.0	12.0	0.005

Kruskal–Wallis test; data are presented as $\tilde{x}$ = Median, 25^th and 75^th percentiles. Results marked in bold represent the best average values; p ≤ 0.05.