Development and validation of a risk prediction score for the severity of acute hypertriglyceridemic pancreatitis in Chinese patients

Table 4 Diagnostic performance of the integrated discrimination improvement between the AAP and other clinical scores

Variables	IDI	SE	95%CI	Z statistic	P value
AAP-APACHE-II	0.201	0.077	0.050-0.352	2.601	0.009
AAP-BISAP	0.095	0.052	0.037-0.115	1.828	0.068
AAP-MCTSI	0.166	0.071	0.036-0.160	2.339	0.019
AAP-Ranson	0.216	0.063	0.093-0.338	3.444	0.001
AAP-EASY	0.205	0.082	0.045-0.365	2.513	0.012

IDI: Integrated discrimination improvement; SE: Standard error; CI: Confidence interval; AAP: Our risk prediction score referred to as AAP; EASY: EASY prediction score; SAP: Severe acute pancreatitis.