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Table 4 Sensitivity, specificity, PPV, PPV, accuracy, and AUC of the potential predictors

From: Prognostic factors of delayed cerebral ischemia after subarachnoid hemorrhage including CT perfusion: a prospective cohort study

 

Cut-off value

Sensitivity

Specificity

PPV

NPV

Accuracy

AUC

Hunt

> 2

88.9%

90%

66.7%

97.3%

78.89%

0.894

Fisher

> 2

77.8%

77.5%

43.8%

93.9%

79.40%

0.794

Aneurysm

> 0

77.8%

65%

33.3%

92.9%

42.78%

0.714

ACOM aneurysm

> 0

33.33%

95%

60%

86.4%

28..33%

0.642

MTT

4.65

71.40%

87.50%

42.1%

96.7%

61.39%

0.849

  1. ACOM anterior communicating artery, PPV positive predictive value, NPV negative predictive value, AUC area under the curve