From: One-stage posterior surgery combined with anti-Brucella therapy in the management of lumbosacral brucellosis spondylitis: a retrospective study
Frankel’ grade*
Preoperative
One postoperative month
Three postoperative months
Six postoperative months
Final follow-up
A
0
B
C
3
1
D
17
12
5
2
E
35
42
50
52
53