Table 1.

Subject characteristics at baseline (week 0).

Characteristics	Placebo	Whey peptide	p
Age	61.2 ± 5.6	60.7 ± 5.7	0.703
Male/female	20/33	17/34	0.639
Body mass index (kg/m2)	22.1 ± 3.3	21.6 ± 2.8	0.414
Education years	9.38 ± 2.21	9.51 ± 2.98	0.797
MMSE score	28.7 ± 1.4	28.5 ± 1.5	0.565
RBANS total scale	54.5 ± 12.1	53.7 ± 14.1	0.772

Data are presented as means ± standard deviations (SD) for placebo (n = 53) and whey peptide (n = 51) groups; p-values were calculated using unpaired t-tests, except those for male/female ratios was calculated using χ² tests.