From: Type 2 sclerotic Modic change affect fusion result in patients undergoing PLIF with pedicle screw instrumentation: a retrospective study
Group
Level
Group A
Group B
Group C
Total
L1–2
2
2 (1.0%)
L2–3
3
3 (1.5%)
L3–4
7
5
28
40 (20.4%)
L4–5
11
17
60
88 (44.9%)
L5-S1
16
18
29
63 (32.1%)
34 (17.4%)
122 (62.2%)
196