Table 3.
Matched 90-day Readmission Groups
| Autologous (N = 7816) | Implant (N = 7509) | P | |||
|---|---|---|---|---|---|
| Number | Percent | Number | Percent | ||
| Age group | 0.9710 | ||||
| 40 and under | 1370 | 17.53 | 1363 | 18.15 | |
| 41–50 | 2322 | 29.71 | 2205 | 29.36 | |
| 51–60 | 2266 | 28.99 | 2174 | 28.95 | |
| 61–70 | 1487 | 19.03 | 1415 | 18.84 | |
| Over age 70 | 371 | 4.75 | 352 | 4.69 | |
| Obesity | 641 | 8.20 | 625 | 8.32 | 0.8493 |
| Diabetes (uncomplicated) | 363 | 4.64 | 372 | 4.95 | 0.5483 |
| Diabetes (complicated) | 92 | 1.18 | 90 | 1.20 | 0.9574 |
| Payer type | 0.9749 | ||||
| Medicare | 1305 | 16.70 | 1261 | 16.79 | |
| Medicaid | 763 | 9.76 | 740 | 9.85 | |
| Private/self-pay | 5574 | 71.32 | 5331 | 70.99 | |
| Other | 173 | 2.21 | 177 | 2.36 | |
| Charlson score | 0.2515 | ||||
| 0 | 3168 | 40.53 | 2940 | 39.15 | |
| 1–2 | 3278 | 41.94 | 3154 | 42.00 | |
| 3 and over | 1369 | 17.52 | 1415 | 18.84 | |
The table demonstrates the implant-based and autologous groups after 1:1 matching by multiple baseline characteristics.