are those figures re puberty blockers in children with or without mermaids available? It is pretty shocking.
Those are the estimates given by Mermaids and by (IIRC) the head of the Tavistock on radio 4. They were both approximate numbers for those pursuing medical transition (so yes, PB although most who start PB will then go on to cross sex hormones).
I don't have a citation, I'm afraid, but shouldn't be hard to find. To point you in the right direction if interested:
I've seen figures around 80% non-medical desistance of those with GD from several places and because that figure was common the much higher Mermaids rate was quite widely commented on. It's on threads here.
The national lottery did a report on Mermaids which comments on their different approach from NHS. Mermaids were at a GD conference which covered the American 'non-questioning' approach recently, where they were talking about how to persuade the NHS to do as they wish- there was an extensive commentary on their twitter feed.
There have been several articles recently from NHS staff (mostly GD specialists psychologists from the Tavi) about how Mermaids target individual doctors they feel are insufficiently affirmative with complaints and how they coach children on the symptoms of GD in order to progress to blockers (hence the higher uptake). Most of these article were in the Times.
Mermaids did a press release explaining their methodology on complaints and child coaching in response to a Times article. There was a thread about it in FWR several months back.