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Table 3 Diagnostic performance of 4D-TRAK and 3D-TOF-MRA for the detection of CAs identified on 3D-DSA in the aneurysm-based evaluation in patients with multiple CAs

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

19

18

2

1

6

0.89

75.00

66.67

94.74

25.00

74.07

3D-TOF-MRA

23

23

3

0

1

0.96

95.83

100.00

100.00

75.00

96.30

  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.