Table 2

 Age and sex distribution for each diagnostic group

Diagnosis groupMean age (SD) (years)Median age (years)Age rangeMale (%)
Congenital3.0 (3.2)22 weeks–10 years44
Acquired non-traumatic12.4 (2.2)13.06–14 years64
Acquired traumatic10.8 (3.6)125–14 years80
Regraft9.0 (4.9)8.05 months–14 years71