I had a nice 1 hour chat with William M. Briggs, a well known statistician. He did not find a safety signal for the elderly in the New Zealand data. His approach was fine, but he missed the signal.

https://open.substack.com/pub/stevekirsch/p/people-who-run-from-debate-challenges?utm_source=share&utm_medium=android&r=b9xiw