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. 2020 Oct 8;21:664. doi: 10.1186/s12891-020-03664-w

Table 5.

Comparison of ABL degree between AHO and non-AHO group

Variables AHO Non-AHO P Value
ABL (+ / -) 12 / 5 31 / 49 0.016
None 5 49 0.094
Mild 4 12
Moderate 5 14
Severe 3 5

AHO anterior heterotopic ossification, ABL anterior bone loss