I completed recently a few review audits, some of them I passed, some I failed.
Is there a place I could (easily) find these results?
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You can see all your review actions in your activity tab (sorted by reviews). Audits are not specifically marked in this list however.
You'll need to look at your reviews one-by-one to find which ones are audits. I don't think there are plans to make the audits easier to find.
However, I had no problems finding at least a few audits that were presented to you: