Table 5.
Predictors of 90-day hospital readmissions with venous thromboembolic complications by multivariate analysis
| Variables of Interest | Odds Ratio | 95% Confidence Interval | p-value | ||
|---|---|---|---|---|---|
|
Anatomic region |
Cervical | 0.838 | 0.78 | 0.899 | <.0001 |
| Thoracolumbar | Reference | ||||
| Age | 45–59 | 1.186 | 1.063 | 1.323 | 0.0022 |
| 60–74 | 1.479 | 1.318 | 1.66 | <.0001 | |
| >=75 | 1.758 | 1.534 | 2.015 | <.0001 | |
| 18–44 | Reference | ||||
| Gender | Male | 1.341 | 1.261 | 1.426 | <.0001 |
| Female | Reference | ||||
|
Primary insurance |
Medicare | 0.913 | 0.789 | 1.057 | 0.2227 |
| Private insurance | 0.86 | 0.748 | 0.988 | 0.0333 | |
| Self-pay | 1.001 | 0.744 | 1.347 | 0.9962 | |
| No charge | 1.413 | 0.783 | 2.549 | 0.2506 | |
| Other | 0.734 | 0.622 | 0.867 | 0.0003 | |
| Medicaid | Reference | ||||
|
Discharge disposition |
Short-term Hospital |
2.327 | 1.734 | 3.122 | <.0001 |
| Transfer Other | 2.386 | 2.185 | 2.605 | <.0001 | |
| Home Health Care | 1.239 | 1.135 | 1.353 | <.0001 | |
| Against Medical Advice | 1.017 | 0.377 | 2.739 | 0.9739 | |
| Routine | Reference | ||||
|
Medical complication |
Yes | 1.321 | 1.143 | 1.526 | 0.0002 |
| No | Reference | ||||
|
Neurological complication |
Yes | 1.296 | 1.117 | 1.504 | 0.0006 |
| No | Reference | ||||
|
Index Length of
stay |
2 days | 1.683 | 1.499 | 1.889 | <.0001 |
| 3–4 days | 2.041 | 1.834 | 2.272 | <.0001 | |
| >=5 days | 3.418 | 3.064 | 3.814 | <.0001 | |
| 0–1days | Reference | ||||
| Steroid use | Yes | 1.967 | 1.588 | 2.436 | <.0001 |
| No | Reference | ||||