Table 5: Mean (± 1SD) change in gait measures and kinematic parameters between pre- and medium term follow-up for a group of children with HSP and a group of children with CP.

 

Timing

 

Statistics

HSP (n = 9)

CP (n = 9)

 

[2-4 yr] post-op-pre-op

[2-3 yr] post-op-pre- op

p-value

Cadence (1/s)

-0.15 ± 0.34

-0.22 ± 0.10

0.056

Stride length (m)

-0.09 ± 0.34

-0.01 ± 0.06

0.546

Walking velocity (m/s)

-0.03 ± 0.34

-0.09 ± 0.08

0.051

ROM pelvic tilt (°)

-0.50 ± 2.92

-2.78 ± 2.39

0.965

Mean pelvic tilt (°)

0.28 ± 6.86

-0.24 ± 6.09

0.997

ROM pelvic obliquity (°)

-2.38 ± 4.82

-0.18 ± 5.03

0.993

Mean pelvic rotation (°)

0.06 ± 0.30

0.51 ± 0.90

0.028*

ROM pelvic rotation (°)

-6.30 ± 10.97

3.09 ± 4.47

0.083

Max hip extension during stance (°)

-3.35 ± 15.12

0.16 ± 2.87

1

Max hip rotation (°)

-11.07 ± 7.62

-5.94 ± 6.08

0.639

Min hip rotation (°)

-13.36 ± 8.57

-10.14 ± 8.52

0.549

Max knee extension during stance (°)

-10.66 ± 20.16

-8.22 ± 11.34

0.093

Timing max knee extension (%)

4.37 ± 13.06

6.70 ± 6.96

0.24

Max knee flexion during swing (°)

-2.39 ± 7.33

2.26 ± 11.14

0.466

Timing max knee flexion during swing (%)

-2.30 ± 4.48

-1.68 ± 2.45

0.863

ROM knee flexion (°)

8.27 ± 18.98

10.47 ± 13.33

0.305

knee angle at initial contact (°)

-12.49 ± 16.25

-8.77 ± 7.60

0.127

max ankle dorsiflexion during stance (°)

0.33 ± 6.26

3.77 ± 7.42

0.907

MAPS pelvic tilt (°)

-0.25 ± 5.28

-1.10 ± 5.07

0.701

MAPS hip flexion (°)

-3.71 ± 9.91

-2.17 ± 4.51

0.365

MAPS knee flexion (°)

-8.66 ± 12.98

-4.03 ± 5.17

0.124

MAPS ankle dorsiflexion (°)

-1.78 ± 4.13

-0.26 ± 3.81

0.856

MAPS pelvic obliquity (°)

-0.08 ± 1.81

-0.11 ± 1.16

0.126

MAPS hip abduction (°)

0.12 ± 1.77

-0.01 ± 1.52

0.631

MAPS pelvic rotation (°)

-0.29 ± 2.90

0.28 ± 2.94

0.677

MAPS hip rotation (°)

-2.18 ± 5.02

-2.02 ± 3.75

0.503

MAPS foot progression (°)

-6.08 ± 7.37

-5.38 ± 12.83

0.416

GPS

-3.71 ± 4.25

-2.65 ± 3.08

0.775

GPS sagittal

-4.60 ± 6.91

-2.09 ± 2.94

0.419

GPS coronal

0.07 ± 1.30

-0.09 ± 1.20

0.765

GPS transverse

-3.10 ± 4.65

-3.46 ± 6.35

0.45

*p < 0.05; ROM: Range of Motion, max: Maximal, min: Minimal, MAPS: Movement Analysis Profile Score, GPS: Gait Profile Score.
Note: negative values indicate a lower value at FU than pre-operatively. This can both mean an improvement or a deterioration, depending on the variable.