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. 2022 Dec 1;14(23):5115. doi: 10.3390/nu14235115

Table 2.

The most relevant health benefits from good adherence to the Mediterranean diet found in some of the main prospective studies of the last decade. Data inserted refer to a fixed-effects model.

Health Outcomes Unit of Intake RR (95% C.I.) N° of Prospective Studies References
Mediterranean Diet
All-cause
mortality
Highest vs. Lowest No data
2-Point Increase MDS 0.92 (0.91–0.93) 7 [83]
0.90 (0.89–0.91) 28 [84]
Total CVDs
mortality
Highest vs. Lowest 0.79 (0.77–0.82) 21 [85]
2-Point Increase MDS 0.91 (0.87–0.96) 26
Total CVDs
incidence
Highest vs. Lowest / 8
2-Point Increase MDS 0.90 (0.87–0.92) a 8 [83]
0.90 (0.85–0.96) 12 [85]
CHD mortality Highest vs. Lowest 0.73 (0.59–0.89) 6
2-Point Increase MDS 0.94 (0.91–0.96) 6
CHD incidence Highest vs. Lowest 0.73 (0.62–0.86) 7
2-Point Increase MDS 0.80 (0.76–0.85) 8
Stroke mortality Highest vs. Lowest 0.87 (0.80–0.96) 4
2-Point Increase MDS / 6
Stroke incidence Highest vs. Lowest 0.80 (0.71–0.90) 5
2-Point Increase MDS 0.90 (0.85–0.96) 10
HBP Highest vs. Lowest No data
2-Point Increase MDS No data
CHF Highest vs. Lowest No data
2-Point Increase MDS No data
T2D Highest vs. Lowest 0.87 (0.82–0.93) 6 [86]
2-Point Increase MDS No data
Overweight/Obesity Highest vs. Lowest No data
2-Point Increase MDS No data
MetS Highest vs. Lowest 0.73 (0.54–0.98) 4 [87]
2-Point Increase MDS No data
NDDs Highest vs. Lowest 0.74 (0.65–0.84) b 12 [88]
2-Point Increase MDS 0.87 (0.81–0.94) 4 [89]
Total cancer
mortality
Highest vs. Lowest 0.87 (0.82–0.92) 18 [90]
2-Point Increase MDS No data
Total cancer
incidence
Highest vs. Lowest No data
2-Point Increase MDS 0.96 (0.95–0.97) a 8 [83]
CRC c Highest vs. Lowest 0.92 (0.87–0.99) 10 [90]
2-Point Increase MDS No data
Breast cancer c Highest vs. Lowest 0.97 (0.94–1.00) 12 [90]
2-Point Increase MDS No data
Gastric cancer c Highest vs. Lowest 0.77 (0.64–0.92) d 4 [90]
2-Point Increase MDS No data
Respiratory tract
cancers c
Highest vs. Lowest 0.84 (0.76–0.94) d 5 [90]
2-Point Increase MDS No data

a: Combination of mortality and incidence; b: in this case, the risk of cognitive impairment, any type of dementia, and Alzheimer’s dementia, specifically, were considered at the same time; c: for most of the site-specific cancers, as well as for inflammatory and metabolic parameters, the evidence was interpreted as only suggestive and weak, and further research is needed for these outcomes [88]; d: compared to breast and colorectal cancers, the number of observational studies considered is lower. CHD = coronary heart disease; CHF = chronic heart failure; CRC = colorectal cancer; CVDs = cardiovascular diseases; HBP = high blood pressure; MDS = Mediterranean diet score [91]; MetS = metabolic syndrome; NDDs = neurodegenerative diseases/disorders; T2D = type 2 diabetes.