Characteristics of included prospective and case-control studies in the meta-analysis of association between biospecimen long-chain n-3 PUFA and the risk of colorectal cancer.

Abbreviations: H: the highest category; L: the lowest category; F: females; M: males; GLC: Gas liquid chromatography; tFC: total fatty acid; EPA: eicosapentaenoic acid (C20: 5n-3); DPA: docosapentaenoic acid (C22: 5n-3); DHA: docosahexaenoic acid (C22: 6n-3); LC n-3: long-chain n-3 polyunsaturated fatty acid (C20: 5n-3+C22: 5n-3+C22: 6n-3). Characteristics of included prospective and case-control studies in the meta-analysis of association between biospecimen long-chain n-3 PUFA and the risk of colorectal cancer.