Clinical evaluation study of the German network of disorders of sex development (DSD)/intersexuality: study design, description of the study population, and data quality

Table 7 Number and percentage of outliers in standardized instruments

Questionnaire	Number of outliers in sub-scales from – to	% (average over all sub-scales)
Children/Adolescents
- KINDL	0 – 9	1.4
- SDQ	0 – 4	2.1
- CODI	0 – 1	0.3
- FKSI	0 – 2	0.5
- GII	9 – 17	7.9
- UGDS	2	3.0
- GRQ	0	0.0
Parents
- KINDL	2 – 11	2.6
- SDQ	0 – 4	1.1
- CBAQ	1 – 2	0.9
- PSI	0 – 17	2.1
Adults
- SF-36	0 – 25	4.8
- BSI	0 – 4	0.7
- FGI	0 – 11	7.1

BI-1: Body Image Scale, BSI: Brief Symptom Inventory, CBAQ: Child Behavior and Attitudes Questionnaire, CHC-SUN: (Child Health Care – Satisfaction, Utilization and Needs, CODI: Coping questionnaire for children and adolescents, CSQ-8: Client satisfaction questionnaire, DSD: Disorder of Sex Development, FGI: Questionnaire of Gender Identity, FKSI: Frankfurt children's self-concept inventory, GRQ: Gender Role Questionnaire, GII: Gender Identity Interview, KINDL: Questionnaire for measuring health-related quality of life in children and adolescents, PSI: Parenting Stress Index, SDQ: Strengths and Health Questionnaire, SF-36: Health Survey, UGDS: Utrecht Gender Dysphoria Scale

ISSN: 1471-2458