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To calculate the DAS28 you need four things:

-          The number of tender joints of the 28 that are measured, (tender28)

-          The number of swollen joints of the 28 that are measured, (swollen28)

-          The Erythrocyte Sedimentation Rate (ESR), in mm/hour

-          The patients’ general health (GH) or global disease activity measured on a Visual Analogue Scale (VAS) of 100 mm

 

In a soon to be available instruction video, you can see how to score the joints on swelling and pain.  

 

 


 

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