It's not just the risk percent but also the scale of "very wrong" that matters. Sounds like she is proceeding with the procedure despite this fear, which seems

It's not just the risk percent but also the scale of "very wrong" that matters. Sounds like she is proceeding with the procedure despite this fear, which seems to indicate to me a fairly astute assessment of the risk. However, I agree people are generally not very good at evaluating risk.