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Table 3 Radiographic outcomes in single-level ACDF

From: Using a mixture of local bone dust and morselized bone as graft materials in single- and double-level ACDF

Variables Group A (n = 51) Group B (n = 58) P value
Fusion rate
 3 months follow-up 6/51 16/58 0.03
 6 months follow-up 16 /51 31/58 0.02
 1 year follow-up 39/51 53/58 0.03
 Final follow-up 46/51 55/58 0.58
FSH (mm)
 Preoperative 30.7 ± 3.2 29.8 ± 3.0 0.13
 Postoperative 33.2 ± 3.4 32.4 ± 3.2 0.21
 1 year follow-up 31.9 ± 2.9 31.2 ± 2.7 0.19
 Final follow-up 31.4 ± 2.8 30.9 ± 2.7 0.35
Subsidence (mm) 1.8 ± 0.7 1.5 ± 0.5 0.01
Subsidence rate 11/51 5/58 0.06
C2-7 lordosis (°)
 Preoperative 10.7 ± 6.7 11.5 ± 8.1 0.57
 Postoperative 14.3 ± 6.7 15.5 ± 8.6 0.39
 1 year follow-up 13.9 ± 7.3 15.3 ± 8.4 0.36
 Final follow-up 13.1 ± 8.1 14.8 ± 9.2 0.31
SSA (°)    
 Preoperative 2.1 ± 4.8 2.7 ± 5.5 0.55
 Postoperative 7.2 ± 3.4 8.1 ± 4.9 0.27
 1 year follow-up 5.4 ± 3.1 6.7 ± 4.6 0.09
 Final follow-up 5.1 ± 3.5 6.4 ± 4.0 0.08