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Table 3 Diagnosis performance of different scoring methods in patients with good and poor clinical outcomes

From: CT perfusion based ASPECTS improves the diagnostic performance of early ischemic changes in large vessel occlusion

 

Auto-ASPECTS

NCCT-ASPECTS

CTP-ASPECTS

Ordinal scoring

   

AUC

0.697

0.730

0.870

Cutoff value

> 4

> 9

> 5

Sensitivity

100.0

72.2

91.7

Specificity

40.7

66.7

74.1

PPV

69.2

74.3

82.5

NPV

100.0

64.3

87.0

Dichotomized scoring

   

AUC

0.676

0.667

0.829

Cutoff value

> 5

> 5

> 5

Sensitivity

94.4

100.0

91.7

Specificity

40.7

33.3

74.1

PPV

67.9

66.7

82.5

NPV

84.6

100.0

87.5

  1. AUC area under the curve, NPV negative predictive value, PPV positive predictive value
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BMC Medical Imaging

ISSN: 1471-2342

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