食肉加工品・赤肉： 膵がんリスク増加

膵がんと、ハム・ソーセージ・ベーコンなどの食肉加工品の関連を明らかにした報告

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random-effects modelを用いた検討。
11前向き研究、6643名の膵臓癌症例

red meat 120g/日増加毎、包括相対リスク(RR) 1.13(95%信頼区間 CI=0.93-1.39; Pheterogeneity<0.001)

red meat consumptionは、男性の膵がんリスク正相関　 (RR=1.29; 95% CI=1.08–1.53; Pheterogeneity=0.28; five studies)あるが、女性では認めない(RR=0.93; 95% CI=0.74–1.16; Pheterogeneity=0.21; six studies)

加工肉　50g/日増加毎、膵がんRRは1.19　 (95% CI=1.04–1.36; Pheterogeneity=0.46)



Red and processed meat consumption and risk of pancreatic cancer: meta-analysis of prospective studies
British Journal of Cancer advance online publication 12 January 2012; doi: 10.1038/bjc.2011.585

Figure 1 - Unfortunately we are unable to provide accessible alternative text for this. If you require assistance to access this image, please contact help@nature.com or the author

Relative risks of pancreatic cancer for a 120 g per day increase of red meat consumption. Squares indicate study-specific relative risks (size of the square reflects the study-specific statistical weight, i.e., the inverse of the variance); horizontal lines indicate 95% CIs; diamond indicates the summary relative risk estimate with its 95% CI. Test for heterogeneity: Q=43.05, P<0.001, I2=69.8%. All statistical tests were two-sided.

Relative risks of pancreatic cancer for a 50 g per day increase of processed meat consumption. Squares indicate study-specific relative risks (size of the square reflects the study-specific statistical weight, i.e., the inverse of the variance); horizontal lines indicate 95% CIs; diamond indicates the summary relative risk estimate with its 95% CI. Test for heterogeneity: Q=7.77, P=0.46, I2=0%. All statistical tests were two-sided.