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Table 3 Classifications of idiopathic scoliosis.

From: 2011 SOSORT guidelines: Orthopaedic and Rehabilitation treatment of idiopathic scoliosis during growth

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