Review Article
Palmitoylethanolamide: A Natural Body-Own Anti-Inflammatory Agent, Effective and Safe against Influenza and Common Cold
Table 1
Incidence of endpoints between both the PEA and the placebo groups.
| Study (year) | PEA () | Placebo () | % Protection | Significance () |
| Masek (1972a) [14] | 223 | 221 | 45% | 0.05 | Masek (1972b) [14] | 436 | 463 | 32% | 0.0005 | Kahlich (1973) [14] | 436 | 465 | 34% | 0.0002 | Kahlich (1974) [14] | 411 | 199 | 52% | 0.002 | Kahlich (1975) [14] | 235 | 118 | 59% | 0.004 | Plesnik (1977) [15] | 196 | 224 | 16% | NS |
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