Research Article

Safety and Efficacy Profile of Echinacea purpurea to Prevent Common Cold Episodes: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 1

Demographic and anamnestic data from participants in the safety collective at the inclusion visit.

VariablesEchinaforceโ€‰โ€‰
( ๐‘ = 355) means
Placeboโ€‰โ€‰
( ๐‘ = 362) means
๐‘ƒ value

Age (years) (SD)23.6 (7.8)23.2 (7.2) ๐‘ƒ > 0 . 0 5 (n.s)*
Body weight (kg) (SD)67.7 (13.1)69.5 (13.1) ๐‘ƒ > 0 . 0 5 (n.s)*
Body height (cm) (SD)167.5 (9.0)168.1 (8.9) ๐‘ƒ > 0 . 0 5 (n.s)*
Body mass index (SD)24.1 (4.0)24.5 (3.9) ๐‘ƒ = 0 . 0 5 (n.s)*
Genderโ€‰โ€‰โ€‰
โ€ƒFemale ๐‘ (%) 244 (68.7)227 (62.7) ๐‘ƒ > 0 . 0 5 (n.s)**
โ€ƒMale ๐‘ (%)111 (31.3)135 (37.3)โ€‰
Colds in the past; ๐‘ (SD) 3.0 (1.18)2.8 (1.06)P < 0.05 *