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Table 1 Diagnostic performance of 4D-TRAK and 3D-TOF-MRA for the detection of CAs identified on 3D-DSA in the patient-based evaluation

From: A comparison of 4D time-resolved MRA with keyhole and 3D time-of-flight MRA at 3.0 T for the evaluation of cerebral aneurysms

Technique

N

TP

TN

FN

k

Sensitivity

Specify%

Specify%

PPV%

NPV%

Accuracy%

4D-TRAK

52

42

6

1

3

0.91

93.33

85.71

96.67

66.67

92.31

3D-TOF-MRA

52

45

6

1

0

0.95

100.00

85.71

97.83

100

98.08

  1. Note: N: number; TP: true-positive; TN: true-negative; FP: false-positive; FN: false-negative; κ: kappa statistic; PPV: positive predictive value; NPV: negative predictive value.
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BMC Neurology

ISSN: 1471-2377

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