Table 2.

Additional input data

Ergänzende Input-Daten

Indexes	Description
Chronologic age	Grouping based on chronologic age rounded to nearest whole number
Skeletal age	Grouping based on the cervical vertebral maturation (CVM) method
Sex at birth	Grouped by male or female
Chief complaint (CC)	Grouping “Facial esthetic in the CC”, “Appearance of teeth in the CC”, and “Functional issues in the CC”, “Other”
Maxillary crowding	Grouped by amount of crowding, none, mild: 1–3 mm, moderate: 4–6 mm, severe: 7–9 mm, very severe: > 9 mm
Mandibular crowding	Grouped by amount of crowding, none, mild: 1–3 mm, moderate: 4–6 mm, severe: 7–9 mm, extremely severe: > 9 mm
Molar classification	Grouping class I, end-on class III, full step class III, beyond full step class III