I think you can use them to can an idea of the work the clinics have done but you shouldn't base your decision on them. I have seen a fair number of them that are obviously faked. Like they used AI or something idk.
Every one is a bit different but most people return to working no issue by 6 weeks and I would say even still, only a small percentage need a full 6 weeks.
If you can get extra time off work, you may as well though even if you don't need it. I know I would