Table 5.
All Pairwise Multiple Comparison Procedures in the PEEK Cage Group.
| Mean Difference | P | ||
|---|---|---|---|
| Preoperative MJOA | Postoperative MJOA at 3 months | −1.167 | .0001* |
| Postoperative MJOA at 6 months | −2.700 | .0001* | |
| Postoperative MJOA at 1 year | −3.567 | .0001* | |
| At 3 months | Postoperative MJOA at 6 months | −1.533 | .0001* |
| Postoperative MJOA at 1 year | −2.400 | .0001* | |
| At 6 months | Postoperative MJOA at 1 year | −.867 | .0001* |
Abbreviations: PEEK, polyetheretherketone; MJOA, Modified Japanese Orthopaedic Association.
* Significant.