AaDO2: Difference between revisions

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=== can be less than 0 ===
=== can be less than 0 ===
=== *4 AaDO2 can be 0 or negative===
=== *4 AaDO2 can be 0 or negative===
Unlike other physiological variables AaDO2 can be 0 or negative, so onlike the others the score for a 0 AaDO2 is 0 if AaDO2 < 200, which includes AaDO2<=0.  
Unlike other physiological variables AaDO2 can be 0 or negative, so unlike the others the score for a 0 AaDO2 is 0 if AaDO2 < 200, which includes AaDO2<=0.  


Note for programming only: The score is still null if the AaDO2 is null. <!-- Julie and Tina discussed 2021-09-29 - there really should never be a null because cross checks would catch this, but if there every is, this is as good as any solution. -->
Note for programming only: The score is still null if the AaDO2 is null. <!-- Julie and Tina discussed 2021-09-29 - there really should never be a null because cross checks would catch this, but if there every is, this is as good as any solution. -->