Table 1.

Clinical assessment, following American Orthopedic Foot and Ankle Score (AOFAS), Yoo et al, Oxford Ankle Foot Questionnaire for Children (OxAF-C), The Foot & Ankle Disability Index (FADI) and FADI Sport scores. All presented as mean and sd (range). The p-values in the table are based on ANOVA test e Tukey test.

	AOFAS	Yoo et al	OxAFC	FADI	FADI Sport
Preoperatively	79.3 sd 5.7 (69.0 to 85.0)	3.1 sd 1.0 (2 to 4)	88.5 sd 4.5 (80.0 to 93.0)	76.1 sd 7.5 (62.5 to 81.7)	74.1 sd 10.4 (50 to 81.2)
p-value pre- versus postoperatively	p < 0.0001	p < 0.0001	p < 0.0001	p < 0.0001	p < 0.0001
One-year postoperatively	96.4 sd 4.5 (79 to 100)	11.4 sd 0.7 (9 to 12)	97.5 sd 2.5 (88.3 to 100)	96.4 sd 4.4 (79.8 to 100)	95.1 sd 5.7 (78.1 to 100)
p-value one year versus three years postoperatively	p > 0.05	p > 0.05	p > 0.05	p > 0.05	p > 0.05
Three-years postoperatively	97.3 sd 4.5 (90 to 100)	11.7 sd 0.6 (9 to 12)	98.6 sd 1.8 (93.3 to 100)	98.3 sd 2.7 (94.2 to 100)	95.9 sd 4.9 (78.1 to 100)
p-value pre- versus three years postoperatively	p < 0.0001	p < 0.0001	p < 0.0001	p < 0.0001	p < 0.0001