How can this be converted to the qualitative assessment of urine ketones?

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Prerequisites

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Description

Hello, everyone.
I am using MIMIC Ⅳ 2.0 database query urine ketone body found itemid '51484' is in the hematology test mode, the measurement of the specific value, I would like to ask this can be converted to common “negative”, “+”, “++”, “+++”, “+++”? ”, “++”, “+++”?
Thanks for the time and resources you've spent on this!