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Table 4 Comparison of scoring system performance in predicting bacteraemia

From: Comparison of different sepsis scoring systems and pathways: qSOFA, SIRS, Shapiro criteria and CEC SEPSIS KILLS pathway in bacteraemic and non-bacteraemic patients presenting to the emergency department

Scoring system Bacteraemic (n = 251) Non bacteraemic (n = 251) Area under ROC curve Sensitivity Specificity Clinical predictive value
Positive Negative Positive Negative
qSOFA 50 201 41 210 0.517 95% CI (0.4—0.56) 19.82 95% CI (15.16–25.4) 83.67 95% CI (78.50–88.02) PPV 55%
NPV 49%
SIRS 206 45 200 51 0.514 95% CI (0.46—0.56) 82.07 95% CI (76.76–86.61) 20.72 95% CI (15.88–26.26) PPV 45%
NPV 54%
SHAPIRO 221 30 154 95 0.627 95% CI (0.58–0.68) 88.05 95% CI (83.38–91.79) 37.85 95% CI (31.82–44.16 PPV 60%
NPV 76%