Table 3.
Prevalence of comorbidities in patients who underwent fusion for intervertebral disc disorders between 1990 and 2007. (N=1,943,707)
| Parameter (ICD-9) | Total (%) | Routine Discharge (%) (N=1,780,071) | Nonroutine Discharge (%) (N=65,966) | p |
|---|---|---|---|---|
| Diabetes mellitus (250) | 7.08% | 6.29% | 21.42% | <0.001 |
| Obesity(278.00, 278.01) | 3.07% | 2.99% | 4.44% | <0.001 |
| Hypertensive disease (401–405) | 21.16% | 20.05% | 43.98% | <0.001 |
| Old myocardial infarction (412) | 1.10% | 1.04% | 1.33% | <0.001 |
| Coronary artery disease (414.01) | 1.90% | 1.74% | 3.96% | <0.001 |
| Atrial fibrillation (427.31) | 0.90% | 0.62% | 3.41% | <0.001 |
| Congestive heart failure (428) | 0.60% | 0.43% | 2.61% | <0.001 |
| Osteoporosis (733.0) | 0.84% | 0.74% | 2.52% | <0.001 |