Study | Mean follow-up (months) | Number of patients (Bryan vs ACDF) | Mean age (years) (Bryan vs ACDF) | Clinical outcomes improvement at final follow-up (%) ( improvement or score) | Radiographic outcomes at final follow-up (Bryan vs ACDF) | HOs (%) (Bryan vs ACDF) | ||||
NDI | Neck VAS | Arm VAS | Mean ROM | Upper adjcent | Lower adjcent | |||||
Seok Woo Kim et al. [13] | 19 vs 20 (Bryan) vs (ACDF) | 51 vs 54 | 43.85 vs 46.44 | 7.2 vs 7.6 | 38 vs 37 | 12.1 vs 2.3 | 9.5 vs 10.2 | 9.2 vs 10.8 | 12.82 vs 23.07 (Grade 0) | |
Ben J. Garrido et al. [8] | 48 | 47 (21 vs 26) | 40.0 vs 43.3 | 80% vs 69% | 82% vs 67% | 86% vs 73% | Not reported | Not reported | Not reported | Not reported |
Clarence Leung et al. [7] | 12 | 90 (Bryan) | 45 | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | 6.7 (>Grade 3) |
Shik Shim et al. [6] | 6 | 61 (Bryan) | 45.6 | 22.9% | over 50% | over 50% | 6.7 (preop): 8.5 (postop) | Not reported | Not reported | Not reported |
Powell JW et al. [10] | 24 | 48 (22 vs 26) | 40.0 vs 43.3 | Not reported | Not reported | Not reported | 8.4 (Bryan): 0.92 (ACDF) | P > 0.4 | P > 0.3 | 11 vs 8 |
Rick C. Sasso et al. [14] | 24 | 463 (221 vs 242) | 44.4 vs 44.7 | Not reported | Not reported | Not reported | 7.95 (Bryan): 0.87 (ACDF) | 9.1 (Bryan) | 6.58 (Bryan) | 94.4 (ACDF) |
Current study | At least 60 | 120 (60 vs 60) | 41.0 vs 44.0 | 7.2 vs 8.8 | 22 vs 26 | 12 vs 17 | 7.25 vs 0.80 | 11.40 vs 10.2 | 7.80 vs 6.70 | 15 vs 100 (>Grade 3) |