Table 1.

Characteristics of participating adolescents.

Variables	Adolescents who discontinued treatment	Adolescents who continued treatment
N	6	8
Birth assigned girls	5a	4
Birth assigned boys	1b	4
Age during interview (median; range) (years)	17.5; 14–27	17.9; 15–18
Age when visiting gender identity clinic for the first time (median; range) (years)	14.3; 11–15	11.3; 10–13
Age start PS (median; range) (years)	15.2; 12–17	12.3; 10–14
Duration of PS (median; range) (months)	10; 1–14	35; 21–48
Duration diagnostic trajectory before starting PS treatment (median; range) (months)c	10; 6–22	9; 6–12
Full-Scale IQ (median; range)	100; 98–124	104; 76–132

^aTwo adolescents identified as transboy, one as a-gender, one as genderfluid, and one as cis-gender girl at the time of the interview.

^bGender identity at the time of the interview: a-gender.

^cDiagnostic trajectory before starting PS treatment; In the Netherlands, transgender adolescents undergo a diagnostic trajectory, consisting of psycho-diagnostic assessment and several sessions with a mental health provider over a longer period of time, when assessing eligibility for PS.