Wikidata:Requests for comment/Use property or qualifier for illness severity?

An editor has requested the community to provide input on "Use property or qualifier for illness severity?" via the Requests for comment (RFC) process. This is the discussion page regarding the issue.

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I added severity (Q96278582) severity (of illness or symptom), with qualifiers for mild, mild (Q96278776) moderate, etc. But should any of these have been properties? I can't follow the description of the difference. I want to be able to say things like:

• spinal cord injury - has symptom - paralysis - moderate, paralysis - severe (or just - not - mild).
• codeine - used to treat condition - pain - severity - moderate

I am not sure if I also need to add extra statements to the disease / drug / severity / moderate qualifier etc to link these up. JS (talk) 15:01, 4 July 2020 (UTC)