From: Anterior cervical discectomy and fusion: Comparison of titanium and polyetheretherketone cages
A) Segmental Lordosis (plain [°] mean ± SEM) | |||
---|---|---|---|
Variable | TTN (n = 44) | PEEK(n = 42) | p-value |
Operated Segment [°] |  |  |  |
  Pre-OP | 2.71 ± 4.68 | 4.43 ± 3.37 | 0.054 |
  Post-OP | 5.49 ± 3.85** | 6.48 ± 3.67** | 0.223 |
  Final | 4.06 ± 3.65** | 5.51 ± 4.13** | 0.075 |
B) Cervical Lordosis (plain [°] mean ± SEM) | |||
Variable | TTN (n = 44) | PEEK(n = 42) | p-value |
C2-7 [°] |  |  |  |
  Pre-OP | 10.750 ± 14.44 | 16.31 ± 11.18 | 0.050 |
  Post-OP | 14.034 ± 12.44* | 17.64 ± 9.96* | 0.143 |
  Final | 13.140 ± 12.71 | 13.29 ± 7.06 | 0.288 |