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Table 1 Patient Demographics and Operative Data

From: Segmental correction of adolescent idiopathic scoliosis by all-screw fixation method in adolescents and young adults. minimum 5 years follow-up with SF-36 questionnaire

Data

All

ADIS

AIS

P value

Patient Numbers

49

15

34

 

Age at Operation* (years)

18.5(11.7-31.4)

25.0(20.0-31.4)

15.6(11.7-19.8)

< 0.001

Risser grade*

3.8 ± 1.4

5.0

3.2 ± 1.4

< 0.001

King type (1:2:3:4:5)

(10:16:20:1:2)

(1:2:10:0:2)

(9:14:10:1:0)

 

Lenke type (1:2:3:4:5:6)

(30:2:8:0:5:4)

(10:2:2:0:1:0)

(20:0:6:0:4:6)

 

Op method (PSF: ASF + PSF)

(42:7)

(14:1)

(28:6)

 

Numbers of fused segments*

10.8(8-13)

10.9(8-14)

10.7(8-13)

0.566

Followup* (years)

6.05

6.62

5.8

0.476

  1. *Data are expressed as mean, with range in parentheses; there were no significant differences between the two groups except in age of operation and Risser grade; ADIS adult-type adolescent idiopathic scoliosis
  2. AIS adolescent idiopathic scoliosis; PSF posterior spinal fusion; ASF anterior spinal fusion