Table 3.

Gait profile score (GPS) in degrees, expressed as mean (SD). All 34 children were included in the comparison between preoperative and 1-year postoperative GPS, whereas 5-year GPS was available in 29 patients

Leg/n	Preop.	p-value a	1 year	p-value b	5 years	p-value c
Both legs
n = 34	20.4 (5.0)	< 0.001	15.6 (4.4)
n = 29			15.8 (4.1)	0.5	15.4 (4.0)
n = 29	20.7 (5.0)				15.4 (4.0)	< 0.001
Right leg
n = 34	19.4 (5.2)	< 0.001	14.3 (4.2)
n = 29			14.5 (4.1)	0.9	14.4 (3.8)
n = 29	19.7 (5.0)				14.4 (3.8)	< 0.001
Left leg
n = 34	18.7 (5.0)	< 0.001	15.1 (4.4)
n = 29			15.4 (4.1)	0.4	14.9 (4.3)
n = 29	19.0 (5.0)				14.9 (4.3)	< 0.001

SD: standard deviation; n: number of children.

^aCompares preoperatively and 1 year postoperatively.

^bCompares 1 year and 5 years postoperatively.

^cCompares preoperatively and 5 years postoperatively.