Table 2.
Meta-analysis of highest versus lowest intake of fruit and vegetables and risk of type 2 diabetes
| Comparison | No of studies | Cases/non-cases | Pooled HR (95% CI), P value | Heterogeneity (I2), P value |
|---|---|---|---|---|
| Vegetables only | 536-39 41 | 8563/204 654 | 0.91 (0.76 to 1.09), 0.32 | 78.1, 0.001 |
| Fruit only | 536-39 41 | 8563/204 654 | 0.93 (0.83 to 1.01), 0.27 | 52.6, 0.07 |
| Fruit and vegetables | 437 39-41 | 8302/146 715 | 1.00 (0.92 to 1.09), 0.97 | 0, 0.40 |
| Green leafy vegetables | 436-39 | 7422/169 807 | 0.86 (0.77 to 0.97), 0.01 | 39.6, 0.18 |