Table 2

Comparison of the subgroup of progressive structural scoliosis with non-progressive structural scoliosis.

Parameter
Progressive
N = 53
Stable
N = 49
P value

Internal rotation
Right hip
51.2 ± 15.1
(25 ÷ 90)
48.4 ± 12.1
(20 ÷ 75)
NS
Internal rotation
Left hip
53.4 ± 15.1
(20 ÷ 90)
48.3 ± 11.5
(20 ÷ 70)
NS
External rotation
Right hip
35.6 ± 12.9
(5 ÷ 60)
32.8 ± 11.1
(15 ÷ 60)
NS
External rotation
Left hip
34.4 ± 10.9
(5 ÷ 50)
33.4 ± 12.0
(5 ÷ 60)
NS
Total range rotation
Right hip
87.2 ± 17.7
(50 ÷ 140)
81.2 ± 12.8
(55 ÷ 110)
0.0549
Total range rotation
Left hip
88.5 ± 16.4
(60 ÷ 130)
81.6 ± 11.7
(60 ÷ 110)
0.0563
Difference in IR: Right minus left
-1.2 ± 8.8
(-20 ÷ 15)
0.3 ± 10.3
(-30 ÷ 20)
NS
Difference in ER: Right minus left
1.1 ± 10.1
(-25 ÷ 20)
-0.5 ± 7.5
(-15 ÷ 20)
NS
Absolute difference left-right in IR
7.7 ± 4.5
(0 ÷ 20)
8.0 ± 6.3
(0 ÷ 30)
NS
Absolute difference left-right in ER
7.7 ± 6.6
(0 ÷ 25)
5.6 ± 4.9
(0 ÷ 20)
NS
Mid-point of rotation for right hip
7.9 ± 10.7
(-10 ÷ 37,5)
7.8 ± 9.8
(-15 ÷ 27.5)
NS
Mid-point of rotation for left hip
9.1 ± 10.1
(-15 ÷ 37,5)
7.4 ± 10.2
(-12.5 ÷ 32.5)
NS
Static rotational offset of the pelvis
7.0 ± 4.8
(0 ÷ 20)
6.4 ± 5.3
(0 ÷ 25)
NS

The means and standard deviations are given, followed by minimum and maximum in the brackets. IR – internal rotation, ER – external rotation. The values of the two subgroups do not differ significantly.

Kotwicki et al. Scoliosis 2008 3:1   doi:10.1186/1748-7161-3-1