Summary risk estimates of the association between the number of parity and colorectal cancer risk, highest vs. lowest parity number.
datasetposted on 30.09.2013, 03:02 by Hong-Bo Guan, Qi-Jun Wu, Ting-Ting Gong, Bei Lin, Yong-Lai Wang, Cai-Xia Liu
RR: relative risk; CI: confidence interval; HRT: hormone replacement therapy.*
P value for heterogeneity within each subgroup.**
P value for heterogeneity between subgroups with meta-regression analysis.