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Table 2: 
Diagnostic performance of MDCTA according to the size of the aneurysm by independent readings
Size of AneurysmSensitivity (%)Specificity (%)Positive Predictive Value (%)Negative Predictive Value (%)Accuracy (%)
<3 mm
    MDCTA reader 174.1 (20/27)93.3 (14/15)95.266.781.0
    MDCTA reader 277.8 (21/27)93.3 (14/15)95.570.083.3
3–5 mm
    MDCTA reader 1100 (22/22)100 (14/14)100100100
    MDCTA reader 295.5 (21/22)100 (14/14)10093.397.2
>5 mm
    MDCTA reader 1100 (44/44)100 (14/14)100100100
    MDCTA reader 2100 (44/44)100 (14/14)100100100
  • Note:–MDCTA indicates multidetector row CT angiography. Numbers in parentheses indicate numbers of aneurysms.