Table 1.

Demographic and personal background information (n=30)

Personal and clinical characteristics	Median (IQR)/n (%)
Age, median (IQR)
At initial intervention (years)	4.6 (3.6-7.0)
Current (years)	32.8 (28.6-39.3)
Followup time, median (IQR)
Between initial intervention and current (years)	27.7 (22.1-33.4)
Orthopaedic interventions, median (IQR)
Total number of interventions	5 (2-6)
Number of events	3 (2-4)
Gender, n (%)
Female	18 (60)
Male	12 (40)
BMI, n (%)
Underweight	4 (13)
Normal	12 (40)
Overweight	7 (23)
Obese	7 (23)
SES, n (%)
Low	10 (33)
Middle	11 (37)
High	9 (30)

IQR=Interquartile range, SES=Socioeconomic status, BMI=Body mass index