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 6

Cognitrax (subgroup analysis).

		Placebo	Propolis
		(n = 18)	(n = 16)
Verbal memory	Baseline	102.4 ± 9.3	97.8 ± 11.2
	Week 24	108.9 ± 13.8	115.9 ± 7.3
	Δ	6.5 ± 13.6	18.1 ± 7.0^∗^∗
Processing speed	Baseline	118.2 ± 9.5	113.9 ± 8.5
	Week 24	115.3 ± 10.5	117.8 ± 7.5
	Δ	−2.9 ± 10.2	3.8 ± 6.5^∗

Values are mean ± SD. , compared to placebo. Δ, change compared to baseline.