Table 4.
Financial resource consumption after primary knee arthroplasty between morbidly obese and nonobese patients
| Financial resource consumption | Primary TKA | ||
|---|---|---|---|
| Nonobese (n = 90,442) | Morbidly obese (n = 90,143) | p value | |
| Total cost (range) | USD 14,715 (USD 31 to USD 305,526) | USD 15,174 (USD 24 to USD 121,202) | < 0.001 |
| Cost/day (range) | USD 4532 (USD 10 to USD 46,416) | USD 4528 (USD 8 to USD 30,832) | 0.73 |
| Length of stay (days) | 3.5 | 3.6 | <0.001 |
| Disposition–home | 62,367 (69%) | 53,962 (59%) | < 0.001 |
| Disposition–rehabilitation facility | 27,879 (30%) | 35,966 (40%) | < 0.001 |