Table. 4.
Multivariable Odds Ratios
| Covariates | Odds ratio | 95% Confidence interval |
|---|---|---|
| Hyperbaric Oxygen Therapy | ||
| HBOT (Referent) | ||
| Control | 10.60 | 5.23–25.1* |
| SOI (per unit change in regressor) | 7.62 | 3.55–18.7* |
| Age (per unit change in regressor) | 0.99 | 0.97–1.02 |
| Sex | ||
| Female (referent) | ||
| Male | 0.65 | 0.32–1.30 |
| Race | ||
| White (referent) | ||
| Non-white | 0.80 | 0.38–1.60 |
| Comorbidities | ||
| Diabetes mellitus | 0.85 | 0.41–1.72 |
| Peripheral vascular disease | 2.22 | 1.67–5.85* |
| Hypertension | 0.90 | 0.42–1.91 |
| Obesity | 1.16 | 0.56–2.35 |
| Insurance | ||
| Private (referent) | ||
| Medicaid | 1.50 | 0.49–4.6 |
| Medicare | 0.87 | 0.24–1.4 |
| Uninsured | 8.60 | 1.4–44.0* |
| Other | 2.60 | 0.52–10.6 |
HBOT=hyperbaric oxygen therapy; SOI=severity of illness.