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Table 1 Demographic data for Grafton® DBM/local autograft and DBX® DBM/local autograft composites for instrumented posterolateral fusion

From: Surgical outcomes of two kinds of demineralized bone matrix putties/local autograft composites in instrumented posterolateral lumbar fusion

Mean age (years) 65.7 (range: 43–82)
Sex (male/female) 8/11
Mean follow-up (months) 33.8 (range: 24–48)
Surgery (fused segment) 19
 One-level 13 (58%): 11 L4–5, 1 L3–4, 1 L2–3
 Two-level 4 (21%): 4 L3–4-5
 Three-level 2 (11%): 2 L2–3–4-5
Diabetes mellitus 8 (42%)
Smoking 4 (21%)
Mean BMI 24.9 (range: 20.1–30.2)
 BMI < 25 9 (47%)
 BMI ≥25 10 (53%)
Pedicle screw system 19
 Optima™ 12 (63%)
 CD Horizon Legacy™ 4 (21%)
Iliad™ 3 (16%)
  1. DBM Demineralized bone matrix, BMI Body mass index