Table 3.

Comparison between the pre- and postoperative measurements (n = 11)

	Preoperative	Postoperative	p-value
LLD (cm)
Mean ± SD	2.2 ± 0.4	0.9 ± 0.3	<0.001*
Decrease (95% CI)	1.3 ± 0.2
Tibiofemoral angle
Mean ± SD	36.6 ± 5.1	−0.5 ± 6.2	<0.001*
Decrease (95% CI)	37.2 ± 5
MAD
Mean ± SD	56.8 ± 9.9	−1.2 ± 5.3	<0.001*
Decrease (95% CI)	58 ± 9
Depression angle
Mean ± SD	40.9 ± 8	6 ± 5.6	<0.001*
Decrease (95% CI)	34.9 ± 8.2
Modified PODCI score
Mean ± SD	50.6 ± 9.7	38.8 ± 10.7	<0.001*
Decrease (95% CI)	11.8 ± 2.1

LLD, limb length discrepancy; PODCI, paediatric outcomes data collection instrument; p, p value for comparing between pre and post;

^*statistically significant at p ≤0.05; CI, confidence interval