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Meta-analysis evaluating the impact of chili-pepper intake on all-cause and cardiovascular mortality: A systematic review.

  • 2021-10
  • Annals of medicine and surgery (2012) 70
    • Naser Yamani
    • Adeena Musheer
    • Priyanka Gosain
    • Saba Sarfraz
    • Humera Qamar
    • Muhammad Maaz Waseem
    • Muhammad Sameer Arshad
    • Talal Almas
    • Vincent Figueredo

Study Design

Type
Review
Population
570,762 (four observational studies)
Methods
MEDLINE, EMBASE, Scopus, EBSCO, and Cochrane (Wiley) Central Register of Controlled Trials were searched from inception till January 9, 2020

Background

Dietetics today occupy a significant place in the field of research, helping to discover cardiovascular benefits of healthy diets and consumption of organic foods such as fruits, vegetables, legumes, nuts, and whole grains. One of the components of vegetable-based diet is chili pepper (CP) which has been found to affect all-cause mortality.

Methods

MEDLINE, EMBASE, Scopus, EBSCO, and Cochrane (Wiley) Central Register of Controlled Trials were searched from inception till January 9, 2020, identifying all relevant studies using keywords and truncations. Studies were included if (1) they were observational or randomized in nature (2) included patients consuming CP and (3) evaluated direct comparison between regular and rarely/never CP consumption.

Results

Our preliminary search yielded 6976 articles. Post exclusion and after full-text screening, four potential observational studies with a population of 570,762. Pooled analysis found reduced all-cause mortality in CP consumers compared to nonconsumers with a risk ratio (RR) of 0.75 [95% CI: 0.64-0.88; p = 0.0004; I 2 = 97%]. The RR for CVD, cancer related and CVA deaths were 0.74 [95% CI: 0.62-0.88; p = 0.0006, I 2 = 66%], 0.77 [95% CI: 0.71-0.84; p = 0.0001; I 2 = 49%] and 0.76 [95% CI: 0.36-1.60; p = 0.47; I2 = 93%], respectively.

Conclusion

Statistically significant results of our analysis put forward a rationale indicating an association between lower risk of all-cause, cardiovascular and cancer related deaths and CP consumption.

Research Insights

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