From: Surgical outcomes of two kinds of demineralized bone matrix putties/local autograft composites in instrumented posterolateral lumbar fusion
Fusion Rate (%)
P-value
Grafton® side (n = 27)
DBX® side (n = 27)
Postoperative 12 months
59.5% (16/27)
51.9% (14/27)
P = 0.425
Postoperative 24 months
70.4% (19/27)
66.7% (18/27)
P = 0.574