Table 2.
Demographics of readmitted and not readmitted patients
| Demographics | Readmitted | Not Readmitted | Odds ratio | SE (95% CI) | p value |
|---|---|---|---|---|---|
| Demographics | |||||
| Number | 93 | 1323 | – | – | – |
| Age (years) | 58.3 ± 15.8 | 59.6 ± 14.4 | 0.99 | 0.0 (1.0–1.0) | 0.388 |
| Female | 57 (61.3%) | 750 (56.7%) | 1.21 | 0.3 (0.8–1.9) | 0.387 |
| Surgical characteristics | |||||
| THA group | |||||
| Primary THA | 44 (4.4%) | 945 (95.6%) | Reference | Reference | Reference |
| Revision THA | 34 (9.9%) | 310 (90.1%) | 2.36 | 0.6 (1.5–3.8) | <0.001* |
| Antibiotic spacer | 15 (18.3%) | 67 (81.7%) | 4.81 | 1.6 (2.5–9.1) | <0.001* |
| Length of stay over 5 days | 46 (49.5%) | 235 (17.8%) | 4.53 | 1.0 (2.9–7.0) | <0.001* |
| Discharged to rehabilitation | 17 (18.3%) | 156 (11.8%) | 1.67 | 0.5 (1.0–2.9) | 0.067 |
| Discharged to skilled nursing facility | 20 (21.5%) | 189 (14.3%) | 1.64 | 0.4 (1.0–2.8) | 0.060 |
| Patient medical comorbidities | |||||
| APR severity of illness (1–4) | 2.0 ± 1.3 | 2.2 ± 1.1 | 0.89 | 0.1 (0.7–1.1) | 0.210 |
| Osteoporosis | 5 (5.4%) | 38 (2.9%) | 1.92 | 0.9 (0.7–5.0) | 0.182 |
| Tobacco use | 33 (35.5%) | 407 (30.8%) | 1.24 | 0.3 (0.8–1.9) | 0.345 |
| Morbid obesity | 9 (9.7%) | 70 (5.3%) | 1.92 | 0.7 (0.9–4.0) | 0.080 |
| Total comorbidities | 3.0 ± 2.3 | 2.2 ± 2.0 | 1.20 | 0.1 (1.1–1.3) | <0.001* |
Values are number with percentage in parentheses or mean ± SD; * statistical significance at p < 0.05; CI = confidence interval; APR = All Payer Refined Diagnosis Related Group.