Table 1

Patient Demographics and Operative Data

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

*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

AIS adolescent idiopathic scoliosis; PSF posterior spinal fusion; ASF anterior spinal fusion

Yu et al. Scoliosis 2012 7:5   doi:10.1186/1748-7161-7-5