Table 6.
High vs low analysis |
Dose-response analysis |
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Fruit, vegetable subtype | n | RR (95% CI) | I2 | Ph | References | n | Increment | RR (95% CI) | I2 | Ph | References |
Apples, pears | 5 | 0.80 (0.70–0.91) | 84.9 | < 0.0001 | 34,56,61,75,138 | 3 | Per 100 g/d | 0.80 (0.64–1.01) | 95.3 | < 0.0001 | 56,61,75 |
Bananas | 2 | 0.91 (0.80–1.03) | 18.8 | 0.27 | 56,61 | 2 | Per 100 g/d | 0.95 (0.80–1.14) | 70.5 | 0.07 | 56,61 |
Berries | 3 | 0.92 (0.88–0.97) | 8.0 | 0.34 | 34,56,75 | 2 | Per 100 g/d | 0.85 (0.70–1.03) | 0 | 0.61 | 56,75 |
Citrus fruits | 6 | 0.90 (0.86–0.94) | 12.3 | 0.34 | 9,38,56,61,75,143 | 7 | Per 100 g/d | 0.94 (0.88–1.00) | 49.9 | 0.06 | 9,38,56,61,62,75,143 |
Fruit juice | 1 | 0.87 (0.83–0.91) | - | - | 143 | 2 | Per 100 g/d | 0.88 (0.84–0.92) | 0 | 0.71 | 53,143 |
Tinned fruits | 3 | 1.13 (1.04–1.23) | 0 | 0.72 | 159 | 4 | Per 100 g/d | 1.14 (1.07–1.21) | 0 | 0.71 | 53,159 |
Cruciferous vegetables | 6 | 0.88 (0.80–0.97) | 78.9 | < 0.0001 | 19,56,75,87,138 | 6 | Per 100 g/d | 0.90 (0.85–0.95) | 35.2 | 0.17 | 19,56,62,75,87 |
Mushrooms | 2 | 0.93 (0.84–1.01) | 79.3 | 0.03 | 75,143 | 2 | Per 100 g/d | 0.74 (0.46–1.20) | 77.7 | 0.03 | 75,143 |
Noncruciferous vegetables | 2 | 0.85 (0.67–1.07) | 82.7 | 0.02 | 19 | 2 | Per 100 g/d | 0.95 (0.89–1.02) | 83.1 | 0.02 | 19 |
Onions, allium vegetables | 3 | 0.85 (0.69–1.06) | 84.0 | 0.002 | 34,75,105 | 2 | Per 100 g/d | 0.76 (0.40–1.46) | 50.3 | 0.16 | 75,105 |
Potatoes | 4 | 0.78 (0.74–0.83) | 2.8 | 0.38 | 43,44,67,75 | 4 | Per 100 g/d | 0.91 (0.81–1.03) | 59.0 | 0.06 | 43,67,75,133 |
Root vegetables | 2 | 0.93 (0.77–1.13) | 89.2 | 0.002 | 75,138 | 1 | Per 100 g/d | 0.76 (0.66–0.88) | - | - | 75 |
Green leafy vegetables, salads | 7 | 0.92 (0.86–0.97) | 39.5 | 0.13 | 11,30,37,43,54,56,75 | 7 | Per 100 g/d | 0.78 (0.71–0.86) | 11.1 | 0.34 | 11,30,43,53,56,62,75 |
Cooked vegetables | 5 | 0.87 (0.80–0.94) | 66.4 | 0.02 | 30,38,43,68,75 | 4 | Per 100 g/d | 0.89 (0.80–0.99) | 94.0 | < 0.0001 | 30,38,43,68,75 |
Raw vegetables | 2 | 0.88 (0.79–0.98) | 74.4 | 0.05 | 68,75 | 2 | Per 100 g/d | 0.91 (0.80–1.02) | 90.8 | 0.001 | 68,75 |
Ph = P-value for heterogeneity.