The total mite count can be used to describe the burden in a Demodex infestation.
Parameters:
(1) density of mites per square cm
(2) affected area in square cm
total mite count =
= (density) * (affected area)
Since mite density may vary, it might be more accurate to use:
total mite count =
= ((mite density in light region) * (area of light involvement)) + ((mite density in moderate region) * (area of moderate involvement)) + ((mite density in heavy region) * (area of heavy involvement))
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