CRP and Cholecystitis, Acute: In a retrospective study on 325 patients suffering from acute cholecystitis, Kim et al. performed a multivariate analysis, and identified the following as independent factors that correlate with percutaneous cholecystostomy: advanced age over 65 years (p < 0.001), a history of abdominal surgery (p = 0.023), a higher ASA score (p = 0.015), white blood cell (WBC) count (p = 0.023), and C-reactive protein levels (p = 0.013) [64].