an increasing trendP=0.01
Based on the mixed effects model, in the highest category, the risk showed an increasing trend along with increment of folate intake (5% risk increase per 100μg/d, P=0.01).
Based on the mixed effects model, in the highest category, the risk showed an increasing trend along with increment of folate intake (5% risk increase per 100μg/d, P=0.01).
A positive trend between folate intake and endometrial cancer risk was observed in the two higher categories.
By contrast, in this meta-analysis, the positive trend could not be observed in the 3 rd highest category, was marginally significant in the 2 nd highest category, became significant in the highest category.