From: Treatment of kyphosis in ankylosing spondylitis by osteotomy through the gap of a pathological fracture: a retrospective study
Mean age (years)
36.8 (22–52)
Male/female
9/4
T9–T11 (n)
3
T11–T12 (n)
8
T12–L2 (n)
2
Low bone mineral density (n)
9
Average follow-up time (months)
25 (3–52)