Perez-Araluce, 4,403 patient diet study: 78% lower severe cases [p=0.15], 15% fewer symptomatic cases [p=0.31], and 20% fewer cases [p=0.14] https://c19p.org/perezaraluce
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Components of the Mediterranean Diet and Risk of COVID-19
et al., Frontiers in Nutrition, doi:10.3389/fnut.2021.805533
Retrospective 5,194 participants in Spain with 382 COVID-19 cases, showing lower risk of COVID-19 with high adherence to a Mediterranean diet, with statistical significance only when excluding healthcare professionals.
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risk of severe case, 77.9% lower, RR 0.22, p = 0.15, higher quality diet 1 of 1,103 (0.1%), lower quality diet 10 of 3,300 (0.3%), NNT 471, odds ratio converted to relative risk, high vs. low adherence.
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risk of symptomatic case, 15.1% lower, RR 0.85, p = 0.31, higher quality diet 52 of 1,103 (4.7%), lower quality diet 214 of 3,300 (6.5%), odds ratio converted to relative risk, high vs. low adherence.
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risk of case, 19.7% lower, RR 0.80, p = 0.14, higher quality diet 58 of 1,103 (5.3%), lower quality diet 248 of 3,300 (7.5%), odds ratio converted to relative risk, high vs. low adherence.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Perez-Araluce et al., 1/24/2022, retrospective, Spain, Europe, peer-reviewed, survey, 4 authors, study period March 2020 - December 2020.
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