Figure 4

MR analysis of peripheral blood categorical leukocyte count and risk of breast cancer and its subtypes. Five different leukocyte types were analyzed by MR with breast cancer and its subtypes, respectively. We used six different MR analyses, which will be labeled with one star when the P value is < 0.05 and two stars when the P value satisfies P = BP < 0.05/N. CI, confidence interval; OR, odds ratio.