In the current study, the preoperative CRP and ESR levels were 0.43 ± 0.07 and 10.27 ± 1.16 in PJI group and 0.49 ± 0.09 and 10.78 ± 1.34 in non-PJI group, respectively (P = 0.557 and P = 0.773). The gene discussed is ESR1; the disease is juvenile polyposis syndrome.