Table 3.

Classifications of idiopathic scoliosis.

Chronological		Angular			Topographic
Age at diagnosis (years.months)		Cobb degrees				Apex
						from	to
Infantile	0-2.11	Low	Low	5-15	Cervical	-	Disc C6-7
Juvenile	3-9.11		Low to moderate	16-24	Cervico-thoracic	C7	T1
Adolescent	10-17.11	Moderate	Moderate	25-34	Thoracic	Disc T1-2	Disc T11-12
Adult	18-		Moderate to severe	35-44	Thoraco-lumbar	T12	L1
		Severe		45-59	Lumbar	Disc L1-2	-
		Very severe		60 or more