Cephalad level | Pre-op versus first post-op | First post-op versus final post-op | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Radiological Outcome | Allograft (n = 53) | PEEK (n = 35) | Interaction (Group*Time) | Group | Time | Interaction (Group*Time) | Group | Time | ||||
Preop | 1st post-op | Final postop | Preop | 1st post-op | Final postop | p-value | p-value | p-value | p-value | p-value | p-value | |
Mean Disc Height | 3.47 ± 1.07 | 6.51 ± 0.89 | 5.46 ± 0.89 | 3.97 ± 1.25 | 6.63 ± 0.98 | 5.64 ± 0.91 | 0.173 | 0.088 | < 0.001 | 0.848 | 0.327 | < 0.001 |
Segmental Height | 31.32 ± 3.66 | 33.23 ± 3.44 | 32.66 ± 3.41 | 31.57 ± 4.11 | 33.50 ± 3.69 | 32.14 ± 3.46 | 0.947 | 0.741 | < 0.001 | 0.002 | 0.490 | *0.004 ^< 0.001 |
Segmental Cobb Angle | −1.19 ± 5.83 | 1.89 ± 3.82 | 0.46 ± 4.19 | 2.30 ± 6.66 | 2.53 ± 4.52 | 1.20 ± 3.94 | 0.034 | 0.477 | *< 0.001 ^0.852 | 0.954 | 0.361 | 0.004 |
Cervical Cobb Angle | 7.24 ± 11.97 | 11.75 ± 10.41 | 11.37 ± 9.80 | 10.96 ± 9.80 | 10.46 ± 7.80 | 11.02 ± 8.03 | 0.014 | 0.532 | *< 0.001 ^0.759 | 0.519 | 0.623 | 0.999 |
Caudal level | Pre-op versus first post-op | First post-op versus final post-op | ||||||||||
Radiological Outcome | Triad (n = 53) | Peek (n = 35) | Interaction (Group*Time) | Group | Time | Interaction (Group*Time) | Group | Time | ||||
Preop | 1st post-op | Final postop | Preop | 1st post-op | Final postop | p-value | p-value | p-value | p-value | p-value | p-value | |
Mean Disc Height | 3.58 ± 1.09 | 6.51 ± 1.09 | 5.40 ± 0.92 | 3.76 ± 1.74 | 6.57 ± 1.06 | 5.72 ± 1.11 | 0.680 | 0.581 | < 0.001 | 0.384 | 0.272 | < 0.001 |
Segmental height | 32.27 ± 3.51 | 33.94 ± 3.43 | 33.05 ± 3.41 | 31.10 ± 3.41 | 33.14 ± 3.50 | 31.65 ± 2.94 | 0.340 | 0.292 | < 0.001 | 0.017 | 0.050 | < 0.001 |
Segmental Cobb angle | 3.41 ± 4.77 | 6.95 ± 4.38 | 4.00 ± 4.92 | 2.25 ± 6.06 | 6.04 ± 4.74 | 3.25 ± 5.26 | 0.811 | 0.280 | < 0.001 | 0.895 | 0.376 | < 0.001 |