Figure 1.
Flowchart of infected vs. non-infected groups and incidence of CRC. Evaluation of incidence of CRC of patients with and without history of H. influenzae infection (control) (*P < 2.2 × 10-10, **P = 3.5 × 10-13). Additional stratification and matching were completed for treatment. CRC: colorectal cancer; H. influenzae: Hemophilus influenzae.