highly significantP < 0.001
Highly significant correlations were observed between the CTSI ( r = 0.926, P < 0.001), mCTSI ( r = 0.950, P < 0.001), and extrapancreatic necrosis volume ( r = 0.784, P < 0.001) imaging scores and the severity of pancreatitis estimated by the rAC (Figures 1 - 3 ), with mild, moderate, and severe disease indicated by values of 1, 2, and 3, respectively.