Demographics and preoperative data for the depressed and nondepressed groups.
| Characteristic | Depression Cohort (n = 23) | Nondepression Cohort (n = 49) | P |
| Age, y, mean | 48.4 | 53.2 | 0.062 |
| Sex, female) | 52.2% | 46.9% | 0.802 |
| BMI, mean | 31.1 | 30.1 | 0.673 |
| Comorbidities | |||
| Diabetes | 13.0% | 24.5% | 0.358 |
| Hypertension | 26.1% | 53.1% | 0.043 |
| Hyperlipidemia | 13.0% | 51.0% | 0.002 |
| Rheumatologic disorder | 17.4% | 16.3% | 0.786 |
| Alcohol abuse | 13.0% | 10.2% | 0.721 |
| Tobacco abuse | 13.0% | 8.2% | 0.515 |
| ACDF | |||
| 1-level | 47.8% | 40.8% | 0.575 |
| 2-level | 43.5% | 38.8% | 0.704 |
| 3-level | 8.7% | 20.4% | 0.315 |
Data presented as % unless otherwise noted. Boldface indicates statistically significant findings.
ACDF, anterior cervical discectomy and fusion; BMI, body mass index.