Table 4 Comparison of scoring system performance in predicting bacteraemia
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% |