Skip to main content

Table 2 Comparative data between part and full time braced patients at baseline, short and long-term follow-up

From: Curve progression 25 years after bracing for adolescent idiopathic scoliosis: long term comparative results between two matched groups of 18 versus 23 hours daily bracing

  

Mode of application

 
  

Part Time

Full Time

p value

Baseline characteristics at brace application

Index age of first time applicationa

13.24 (±1.9)

13.19 (±1.49)

0.55c

Onset of menstruationa

12.52 (±0.95)

12.48(±1.17)

0.70c

Curve magnitude (Cobb angle/ out of brace)a

28.71 (±9.02)

27.86 (±8.58)

0.84c

Curve typeb

Thoracic

12 (34.3)

18 (42.9)

0.38d

 

Thoracolumbar

12 (34.3)

9 (21.4)

 
 

Lumbar

2 (5.7)

6 (14.3)

 
 

Double primary

9 (25.7)

9 (21.4)

 

Rotation of the apical vertebra (Perdriolle score)a

15.09 (±6.9)

13.69 (±6.48)

0.40c

Curve magnitude (Cobb angle/ in-brace correction) after first brace applicationa

18.2 (±8.46)

16.55 (±9.9)

0.32c

Initial curve correction after brace applicationa

−10.17 (±7.36)

−11.31 (±5.8)

0.65c

Short Term Follow Up (post bracing)

Age at brace removala

16.07 (±1.09)

15.8 (±1.34)

0.40c

Duration of brace applicationa

2.82 (±1.59)

2.61 (±0.97)

0.95c

Curve magnitude (Cobb angle/ out of brace) at brace removala

20.43 (±10.3)

22.55 (±13.03)

0.51c

Curve correction at brace removal compared with pre-brace anglea

−8.26 (±9.58)

−5.31 (±9.34)

0.09c

Long Term Follow Up ( 25 years post bracing)

Time since brace removala

24.95 (±2.45)

25.34 (±2.89)

0.10c

Curve magnitude (Cobb angle) at Long Term Follow Upa

24.37 (±12.4)

26.4 (±15.08)

0.58c

Type of main scoliotic curveb

Single thoracic

11 (31.4)

14 (33.3)

0.88d

 

Double Thoracic

2 (5.7)

3 (7.1)

 
 

Double Major

8 (22.9)

12 (28.6)

 
 

Triple major

3 (8.6)

2 (4.8)

 
 

Thoracolumbar

8 (22.9)

6 (14.3)

 
 

Lumbar

3 (8.6)

5 (11.9)

 

Rotation of the apical vertebra (Perdriolle score)a

13.66 (±9.03)

14.86 (±9.01)

0.52c

Loss of main curve correction from brace removal to Long Term Follow Upa

3.94 (±6.43)

3.86 (±6.98)

0.87c

Loss of correction > 5 degreesb

10 (28.6)

17 (40.5)

0.27d

  1. aThe values are given as the mean with the standard deviation in parentheses
  2. bThe values are given as raw numbers with the percentages in parentheses
  3. cTest performed using Mann–Whitney test
  4. dTest performed using x2 test