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Table 4 CTP analysis is moderately predictive of subsequent vasospasm development

From: Early abnormal transient hyperemic response test can predict delayed ischemic neurologic deficit in subarachnoid hemorrhage

  No vasospasm Vasospasm Total
Abnormal maps 0 3 3
Normal maps 3 1 4
Total 3 4 7
  1. Only MTT and TTP maps in the CTP measurements showed abnormal measurements in the patients who developed vasospasm (p = 0.14, Fisher’s exact test, n = 7)