Conditional Formatting of multiple columns with kableExtra

I want to typeset NA values in my table in italic using kableExtra. It is easy enough to do so with one column:

Assemble two separate kable table in the same html file

I have two kable tables: “table1” and “table2” created with kable extra.

Assemble two separate kable table in the same html file

I have two kable tables: “table1” and “table2” created with kable extra.