T1w/CT | CT+ | CT− | Total | SE | 1.00 | 0.78–1.00 |
T1w+ | 16 | 12 | 28 | SP | 0.40 | 0.19–0.64 |
T1w− | 0 | 8 | 8 | DA | 0.66 | 0.48–0.81 |
Total | 16 | 20 | 36 | PPV | 0.56 | 0.47–0.64 |
NPV | 1.00 | |||||
VIBE/CT | CT+ | CT− | Total | SE | 0.94 | 0.70–1.00 |
VIBE+ | 15 | 10 | 25 | SP | 0.50 | 0.27–0.73 |
VIBE− | 1 | 10 | 11 | DA | 0.69 | 0.52–0.84 |
Total | 16 | 20 | 36 | PPV | 0.60 | 0.49–0.70 |
NPV | 0.91 | 0.59–0.99 | ||||
SWI/CT | CT+ | CT− | Total | SE | 0.94 | 0.70–1.00 |
SWI+ | 15 | 2 | 17 | SP | 0.90 | 0.68–0.99 |
SWI− | 1 | 18 | 19 | DA | 0.92 | 0.78–0.98 |
Total | 16 | 20 | 36 | PPV | 0.88 | 0.67–0.97 |
NPV | 0.95 | 0.73–0.99 |
DA, diagnostic accuracy; NPV, negative predictive value; PPV, positive predictive value; SE, sensitivity; SP, specificity; SWI, susceptibility-weighted imaging; T1w, T1-weighted imaging sequence; VIBE, volumetric interpolated breath-hold examination.