Journal of Experimental Orthopaedics

Table 2 Scores on the American Orthopedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Scale and visual analog scale (VAS) for pain

From: Comparative study of subtalar arthrodesis after calcaneal frature malunion with autologous bone graft or freeze-dried xenograft

Group	n	AOFAS scale ^†		p*	VAS for pain ^†		p*
Group	n	Preop.	Postop.	p*	Preop.	Postop.	p*
Autograft	6	37 (11.08)	63.83 (9.58)	0.02	4.73 (2.17)	1.87 (1.33)	0.028
Xenograft	6	38 (14.92)	73.83 (9.54)	0.02	5.53 (1.91)	2.72 (2.4)	0.046
Both	12	37.83 (12.56)	68.33 (10.77)	0.002	5.13 (1.99)	2.29 (2.01)	0.006

*Wilcoxon nonparametric test. ^†Mean (standard deviation).

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