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Table 3 Results of CT angiography (CTA) vs. conventional angiography regarding the presence of an aneurysm

From: Cerebral aneurysm exclusion by CT angiography based on subarachnoid hemorrhage pattern: a retrospective study

   Catheter Angiography
   Aneurysm + No Aneurysm -
CTA Aneurysm + (%) 160 (66.3) 3 (1.2)
   True Positives False Positives
  No Aneurysm -(%) 6 (2.5) 72 (30.0)
   False Negatives True Negatives