Table 3.
Predictors of 90-Day Nonindex Readmission
| Variable | Nonindex N (%) | Odds Ratio (95% Confidence Interval) | p-value |
|---|---|---|---|
| Primary insurance | |||
| Medicare | 145 (41.0%) | 1.09 (0.78 – 1.52) | 0.609 |
| Medicaid | 74 (20.9%) | Reference | |
| Private insurance | 100 (28.3%) | 0.65 (0.46 – 0.92) | 0.014* |
| Self-pay | 19 (5.4%) | 0.93 (0.53 – 1.63) | 0.791 |
| No charge | DS* | 1.18 (0.24 – 5.73) | 0.834 |
| Other | 14 (4.0%) | 1.11 (0.58–2.12) | 0.940 |
| Control/ownership of hospital | |||
| Government, nonfederal | 76 (21.5%) | Reference | |
| Private, not-profit | 236 (66.7%) | 0.86 (0.64 – 1.15) | 0.300 |
| Private, investor-owned | 42 (11.9%) | 1.70 (1.09 – 2.67) | 0.020* |
| Resident of state where procedure was performed | |||
| Nonresident | DS | 0.25 (0.12– 0.54) | 0.0004* |
| Resident | 347 (98.0%) | Reference | |
| Discharged to another facility | |||
| Yes | 347 (98%) | 1.70 (1.27 – 2.28) | 0.0004* |
| No | 81 (22.9%) | Reference | |
| Comorbidity score | |||
| 0 | 15 (4.2%) | 0.97 (0.54 – 1.75) | 0.921 |
| 1 | 34 (9.6%) | 0.68 (0.46 – 1.02) | 0.062 |
| 2 | 53 (15.0%) | 0.66 (0.47 – 0.92) | 0.014* |
| >= 3 | 252 (71.2%) | Reference | |
*
Data suppressed (DS) for patient privacy considerations, in accordance with the Healthcare Cost and Utilization Project NRD guidelines for publishing privacy protections.