CRP and juvenile polyposis syndrome: Mean serum ESR and CRP values were also significantly higher among PJI patients; ESR was 39.16 ± 28.40 mm/h in the PJI group compared to 15.15 ± 15.41 mm/h in the AL group (p = 0.000), while mean CRP was 3.47 ± 3.72 mg/dL in PJI cases compared with 0.78 ± 1.57 mg/dL in AL cases (p = 0.000) (Table 1).