In this prior Substack, I had an error in the graphic and it is fixed below. I had originally shaded all 4 cells in the 99% confidence intervals test for the 2021 year, but then discovered the error.
It doesn’t change conclusions at all though, because the overall increase in maternal death was only highly signficant (alpha < .001) for the year of 2021 — when COVID jabs rolled out.
Here is the corrected image:
[click to enlarge]