OLIVE OIL CONSUMPTION AND RISK OF CORONARY HEART DISEASE AND/OR STROKE: A META-ANALYSIS OF CASE-CONTROL, COHORT AND INTERVENTION STUDIES

Ligia Juliana Dominguez Rodriguez, Miguel A. Martínez-González, Miguel Delgado-Rodríguez

Risultato della ricerca: Articlepeer review

62 Citazioni (Scopus)

Abstract

Increasing evidence suggests that the Mediterranean diet can reduce the risk of CVD. Olive oil is the hallmark of this dietary pattern.We conducted a meta-analysis of case–control, prospective cohort studies and a randomised controlled trial investigating the specificassociation between olive oil consumption and the risk of CHD (101 460 participants) or stroke (38 673 participants). The results of allobservational studies were adjusted for total energy intake. The random-effects model assessing CHD as an outcome showed a relativerisk (RR) of 0·73 (95% CI 0·44, 1·21) in case–control studies and 0·96 (95% CI 0·78, 1·18) in cohort studies for a 25 g increase in oliveoil consumption. In cohort studies, the random-effects model assessing stroke showed a RR of 0·74 (95% CI 0·60, 0·92). The random-effectsmodel combining all cardiovascular events (CHD and stroke) showed a RR of 0·82 (95% CI 0·70, 0·96). Evidence of heterogeneity wasapparent for CHD, but not for stroke. Both the Egger test (P¼0·06) and the funnel plot suggested small-study effects. Available studiessupport an inverse association of olive oil consumption with stroke (and with stroke and CHD combined), but no significant associationwith CHD. This finding is in agreement with the recent successful results of the PREDIMED randomised controlled trial.
Lingua originaleEnglish
pagine (da-a)248-259
Numero di pagine12
RivistaBritish Journal of Nutrition
Volume112
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

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