Multivariate model to determine predictors of surgical candidacy
| VARIABLE | PVALUE | ADJUSTED ODDS RATIO | 95% CONFIDENCE INTERVAL |
|---|---|---|---|
| Sex | .38 | 1.11 | 0.88–1.38 |
| Age (per 10-y increase) | < .01 | 3.33 | 3.32–3.33 |
| Degenerative disk | .09 | 0.76 | 0.56–1.05 |
| Disk herniation | < .01 | 1.49 | 1.16–1.89 |
| Spinal stenosis | < .01 | 1.61 | 1.26–2.05 |
| Instability | < .01 | 2.83 | 2.08–3.88 |
| Spinal deformity | .12 | 2.65 | 0.76–9.17 |
| Previous surgery | .70 | 0.93 | 0.63–1.37 |
| No. of levels (per level affected) | < .01 | 0.79 | 0.71–0.88 |