Table 2.
Castellvi types by disc level that are significantly associated with higher facet joint degeneration
| Castellvi type | Coefficient | Standard error | Wald chi2 | p value | OR | 95% CI |
|---|---|---|---|---|---|---|
| L2/3 | ||||||
| Type II | 1.121 | 0.415 | 7.299 | 0.007 | 3.068 | 1.360–6.920 |
| Type IV | 1.824 | 0.604 | 9.108 | 0.003 | 6.195 | 1.895–20.252 |
| Pooled | 0.970 | 0.387 | 6.276 | 0.012 | 2.638 | 1.235–5.633 |
| L3/4 | ||||||
| Type II | 0.794 | 0.313 | 6.458 | 0.011 | 2.213 | 1.199–4.082 |
| Pooled | 0.653 | 0.282 | 5.355 | 0.021 | 1.922 | 1.105–3.342 |
| L4/5 | ||||||
| Type I | 0.799 | 0.257 | 9.655 | 0.002 | 2.222 | 1.343–3.678 |
| Type II | 1.132 | 0.303 | 13.967 | < 0.001 | 3.101 | 1.713–5.613 |
| Type III | 1.028 | 0.311 | 10.917 | 0.001 | 2.795 | 1.519–5.142 |
| Pooled | 1.029 | 0.271 | 14.433 | < 0.001 | 2.798 | 1.646–4.758 |
Binomial logistic regression analysis was performed using age, gender, and Castellvi type at every lumbar level. Pooled group is a combined group consisting of Castellvi type II, III, and IV groups
CI confidence interval, OR odds ratio