I think it is fair to think you will be measured with the same general yardsticks that your peers are measured by. So, if you are in a standup where others are giving daily task reports, it is natural to expect you should. And that if you are not, it is natural to feel something is amiss.
I'm not worried what the OP looks like, or generally what I look like for that matter, but they were worried what they look like. I just dispute the claim that standups are the root of their anxiety about that.