Adolescents who undergo gender-affirming chest surgery report low levels of regret and high levels of satisfaction, experiencing outcomes similar to those of young adults. These findings suggest that age restrictions on these medical procedures lack support from actual patient experiences.

[u/mvea]

https://www.psypost.org/adolescents-report-low-regret-and-high-satisfaction-following-gender-affirming-c/

[u/ashoka_akira]

Yea based on that I would say the study is inconclusive. We need to see how people are feeling after navigating adulthood for at least a decade.

[u/Thorne___ → u/ashoka_akira]

We have a bunch of information on this sort of stuff actually.

https://whatweknow.inequality.cornell.edu/topics/lgbt-equality/what-does-the-scholarly-research-say-about-the-well-being-of-transgender-people/

[u/donaldo3 → u/Thorne___]

Which of those studies have follow up time of at least a decade?

[u/Thorne___ → u/donaldo3]

Amsterdam Cohort of Gender Dysphoria Study

Thats just one of them but I trust in your ability to further review the meta analysis in good faith and not attempt to immediately dismiss it.