Final answer:
To further filter the search results by status, you can add an additional condition using the 'AND' operator.
Step-by-step explanation:
To further filter this search by status, you can add another condition to the search query by using the 'AND' operator. Here's an example:
index=web status IN ("200", "404", "500") AND status="200" | stats count by status
This will retrieve results where the status is both '200' and '200', effectively filtering the search results by status.