CRP and inflammatory bowel disease: This contrasts with plasma CRP, except for patients with CD within the first three days of IBD diagnoses, who had higher levels of plasma CRP compared to non-IBD controls (Average: 72.1 vs 41.7 mg/L, Median: 45 vs 13 mg/L; two-tailed t-test P-value = 6.6 × 10–62).