Those aren't examples of Simpsons even taken together, but there was a famous (by which I mean it got a lot of press, including being written up in the Times and Post when it came out) study that showed that although every subgroup in Italian demographic data had lower CFRs than their Chinese counterparts, the Chinese group had a lower CFR when taken as a whole:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8791436/