| |
(Degree)
|
T1–T12 Kyp
|
T4–T12 Kyp
|
T5–T12 Kyp✽
|
L1–L5 Lord
|
L1–S1 Lord
|
PT
|
PI
|
SS
|
|---|
|
Control (n = 69)
|
Mean
|
43.4
|
37.7
|
32.9
|
46.0
|
57.0
|
7.1
|
46.2
|
39.1
|
|
S.D.
|
12.7
|
15.1
|
15.0
|
9.1
|
10.4
|
7.3
|
8.3
|
6.7
|
|
AIS (n = 458)
|
Mean
|
34.1
|
27.1
|
24.9
|
46.4
|
54.9
|
7.5
|
47.3
|
39.6
|
|
S.D.
|
17.1
|
18.8
|
15.8
|
13.2
|
14.8
|
8.3
|
12.8
|
10.3
|
|
t test
|
p
|
< 0.001
|
< 0.001
|
< 0.001
|
0.830
|
0.290
|
0.722
|
0.564
|
0.748
|
- S.D. standard deviation, AIS adolescent idiopathic scoliosis, Kyp kyphosis, Lord lordosis, PI pelvic incidence, PT pelvic tilt, SS sacral slope
- ✽T5–T12 kyphosis measured manually on sterEOS 2D workstation
