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Table 3 Negative effect of diabetes mellitus, smoking, and obesity on fusion status of Grafton® and DBX® DBMs/local autograft composites in instrumented posterolateral fusion

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

  Fusion Status
(N = 54; 27 Grafton® side + 27 DBX® side)
P-value
  Fused Not Fused
Diabetes mellitus    P < 0.01
 No (n = 36) 75.0% (27/36) 25.0% (9/36)  
 Yes (n = 18) 55.6% (10/18) 44.4% (8/18)  
Smoking    P < 0.05
 No (n = 42) 71.4% (30/42) 28.6% (12/42)  
 Yes (n = 12) 58.3% (7/12) 41.7% (5/12)  
Obesitya    P < 0.01
 BMI (< 25) (n = 24) 87.5% (21/24) 12.5% (3/24)  
 BMI (≥25) (n = 30) 46.7% (16/30) 53.3% (14/30)  
  1. aObesity including both overweight and obesity; DBM Demineralized bone matrix, BMI Body mass index