Cognitive Improvement and Safety Assessment of a Dietary Supplement Containing Propolis Extract in Elderly Japanese: A Placebo-Controlled, Randomized, Parallel-Group, Double-Blind Human Clinical Study

Table 5

Baseline characteristics of the study population (subgroup analysis).

	Placebo	Propolis	value
	(n = 18)	(n = 16)
Age	66.2 ± 4.6	66.7 ± 4.6	0.742
Sex (male/female)	10/8	7/9	―
BMI (kg/m^2)	23.0 ± 2.9	22.5 ± 2.6	0.717
MMSE	27.7 ± 1.4	27.7 ± 1.1	0.708

Values are mean ± SD. BMI, body mass index; MMSE, Mini-Mental State Examination.