Here's a similar study for Ontario, breaking down efficacy based on variant:
https://www.reddit.com/r/CanadaCoronavirus/comments/oe6ajn/c...
Two observations:
* as the top comment points out, the confidence intervals matter
* the numbers are all over the place
I don't know the data for the Israel study, but I'm not sure we can confidently conclude something as specific as "4x higher chance of hospitalization".