Serum ESR and CRP concentrations were not statistically different in the PJI (ESR: 35.00 (33.50) mm/h; CRP: 19.10 (18.40) mg/L) and non-PJI (ESR: 30.00 (16.00) mm/h; CRP: 16.40 (19.79) mg/L) groups (P > 0.05). Here, CRP is linked to juvenile polyposis syndrome.