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APPENDIX 6

EEG and CBF Diagnostic Screening Yield by Age Groups

ECSEEG+TotalDiagnostic Screening Yield
All children (n = 149)*     
    No CBF 86 18 104 % pt with ECS = 70% 
    CBF+ 19 26 45 % pts with no CBF = 70% 
    Total 105 44 149  
Just newborns (< 1 month of age; n = 30)**     
    No CBF 11 19 % pt with ECS = 40% 
    CBF+ 11 % pts with no CBF = 63% 
    Total 12 18 30  
Children (> 1 month of age; n = 119)***     
    No CBF 78 85 % pt with ECS = 78% 
    CBF+ 15 19 34 % pts with no CBF = 71% 
    Total 93 26 119  
ECSEEG+TotalDiagnostic Screening Yield
All children (n = 149)*     
    No CBF 86 18 104 % pt with ECS = 70% 
    CBF+ 19 26 45 % pts with no CBF = 70% 
    Total 105 44 149  
Just newborns (< 1 month of age; n = 30)**     
    No CBF 11 19 % pt with ECS = 40% 
    CBF+ 11 % pts with no CBF = 63% 
    Total 12 18 30  
Children (> 1 month of age; n = 119)***     
    No CBF 78 85 % pt with ECS = 78% 
    CBF+ 15 19 34 % pts with no CBF = 71% 
    Total 93 26 119  
*

Data extracted from references cited in Appendix 4,5.

**

Data extracted from references cited in Ashwal S.35 

***

Data represent the differences between “All children” and “just newborns” groups.

ECS Electrocerebral silence.

CBF Cerebral blood flow.

EEG+ Activity on EEG.

CBF+ Cerebral blood flow present.

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