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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*
Preop. Postop. Preop. Postop.
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
  1. *Wilcoxon nonparametric test. Mean (standard deviation).