Red meat
Three studies [24,25,30] with 1156 cases were carried out for
association between red meat and glioma risk. No statistically
significant association was observed between red meat consumption
and glioma risk in overall studies (summary RR, 0.89;
95% CI, 0.71–1.12; I2, 0.0%; Pheterogeneity ¼ 0.739). No publication
bias was detected (P ¼ 0.42).