Table 2.
Baseline characteristics of rTHA transplant and nontransplant patients identified over study period.
| Variable | Non-SOT |
SOT |
P |
|---|---|---|---|
| n = 412919 | n = 1837 | ||
| Sex, female | 234791 (56.9%) | 762 (41.5%) | <.001 |
| Age | |||
| Mean | 67.2 | 58.7 | <.001 |
| <60 | 112534 (27.3%) | 842 (45.9%) | <.001 |
| 60-75 | 182101 (44.1%) | 888 (48.4%) | |
| >75 | 118284 (28.6%) | 106 (5.8%) | |
| Indication | |||
| PJI | 65961 (16%) | 276 (15%) | .007 |
| Fracture | 38474 (9.3%) | 107 (5.8%) | |
| Instability | 78796 (19.1%) | 361 (19.7%) | |
| Loosening | 98628 (23.9%) | 523 (28.5%) | |
| Other | 131020 (31.7%) | 569 (31%) | |
| ECI, mean | 2.29 | 3.58 | <.001 |
| LOS, mean | 5.23 | 5.92 | .005 |
| Payer | |||
| Medicaid | 18914 (4.6%) | 60 (3.3%) | .12 |
| Medicare | 265609 (64.4%) | 1236 (67.3%) | |
| Private | 112621 (27.3%) | 506 (27.5%) | |
| Other | 12186 (3%) | 30 (1.6%) | |
| Income, quartile | |||
| 0-25% | 89723 (22.1%) | 357 (19.7%) | .50 |
| 25-50% | 105896 (26%) | 471 (25.9%) | |
| 50-75% | 107195 (26.4%) | 489 (26.9%) | |
| 75-100% | 103865 (25.5%) | 499 (27.5%) | |
| Hospital type | |||
| Rural | 24662 (6%) | 61 (3.3%) | <.001 |
| Urban non-teaching | 111070 (26.9%) | 291 (15.8%) | |
| Urban teaching | 277186 (67.1%) | 1484 (80.8%) | |
| Hospital size | |||
| Large | 231115 (56%) | 1194 (65%) | <.001 |
| Medium | 99628 (24.1%) | 355 (19.3%) | |
| Small | 82175 (19.9%) | 287 (15.6%) |