Compared with the completed group, the conversion group had a significantly greaterproportion of patients aged ≥60 years, worse severity of appendicitis, greater prevalence ofpreoperative abscess formation, greater proportion of patients with a peri-appendiceal fatdensity ≥–40.51 HU, and greater proportion of patients with a CRP concentration ≥5.99 ng/ml(Table 2). This evidence concerns the gene CRP and appendicitis.