From: Surgical outcomes of two kinds of demineralized bone matrix putties/local autograft composites in instrumented posterolateral lumbar fusion
Preoperative
Postoperative 24 month
P-value
VAS
 Lower back pain
4.9 ± 1.7
2.1 ± 0.7
P < 0.01
 Leg pain
7.2 ± 2.1
1.9 ± 0.8
ODI
42 ± 14
21 ± 6