Research Article

A Novel Risk-Prediction Scoring System for Sepsis among Patients with Acute Pancreatitis: A Retrospective Analysis of a Large Clinical Database

Table 3

Predictive performances and validation of the nomogram.

Predictive modelAUC valueNRI valueIDI value

Training cohort
Nomogram0.730 (0.700–0.765)
BISAP0.632 (0.595–0.673)<0.0010.548 (0.379–0.736)<0.0010.118 (0.096–0.141)<0.001
SOFA0.627 (0.583–0.681)<0.0010.549 (0.423–0.721)<0.0010.124 (0.101–0.147)<0.001
qSOFA0.524 (0.481–0.562)<0.0010.726 (0.597–0.854)<0.0010.163 (0.139–0.187)<0.001
SIRS0.613 (0.573–0.652)<0.0010.550 (0.393–0.741)<0.0010.128 (0.102–0.154)<0.001

Validation cohort
Nomogram0.732 (0.680–0.780)
BISAP0.666 (0.609–0.723)0.0050.460 (0.165–0.751)<0.0010.092 (0.056–0.128)<0.001
SOFA0.677 (0.595–0.747)<0.0010.588 (0.375–0.863)<0.0010.133 (0.098–0.168)<0.001
qSOFA0.488 (0.421–0.549)<0.0010.718 (0.552–0.947)<0.0010.168 (0.131–0.204)<0.001
SIRS0.614 (0.552–0.673)<0.0010.592 (0.370–0.865)<0.0010.136 (0.097–0.175)<0.001

Abbreviations: AUC, area under the receiver operating characteristic curve; NRI, net reclassification improvement; IDI, integrated discrimination improvement; BISAP, blood urea nitrogen, impaired mental status, systemic inflammatory response syndrome, age and pleural effusion; SOFA, Sequential Organ Failure Assessment; SIRS, systemic inflammatory response syndrome.