From: The use of growth standards and corrective formulae to calculate the height loss caused by idiopathic scoliosis
Mean age
SD of age (months)
Age range (months)
Males
15Â years 7Â months
21
11Â years 7Â months to 20Â years and 3Â months
Females
15Â years 1Â month
30.5
8Â years and 4Â months to 27Â years and 11Â months