From: One‐level mini‐open pedicle subtraction osteotomy for treating spinal kyphosis in patients with ankylosing spondylitis
One-level PSO (n=25)
Length of incision(cm)
10.2±1.2
Number of fusion levels
4
Estimated blood loss(ml)
840.0±417.1
Operative time(min)
263.0±50.4
Time to mobilization(days)
4.1±1.3