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Table 1 Specifications of CT scanners from 1998 to 2007

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

Period CT scanner specifications Number of cases per scanner
1998 - November 1999 GE Highspeed Advantage CT/i 1 detector row 39
December 1999 - April 2002 GE Lightspeed QX/i 4 detector rows 60
May 2002 - November 2002 GE Lightspeed ultra 8 detector rows 12
December 2002 - November 2005 GE Lightspeed 16 advantage 16 detector rows 93
December 2005 - December 2007 GE VCT 64 detector rows 37
  1. GE: General Electric