From: One-stage freehand minimally invasive pedicle screw fixation combined with mini-access surgery through OLIF approach for the treatment of lumbar tuberculosis
Group
Preoperative
12-month
1
41.6 ± 10.1
9.2 ± 2.9
2
43.4 ± 9.3
15.3 ± 4.1
P value
0.527
0.000