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Relationship between surgical site infection status and resource use in total knee arthroplasty patients
| Total | SSI | No SSI | Difference | p value | ||
|---|---|---|---|---|---|---|
| Unadjusted | Adjusted | |||||
| N | 2240 | 1120 | 1120 | – | – | – |
| Total cost of care [$] (SD) | 22,231.58 (10,762) | 28,576.02 (10,468) | 15,887.14 (6450) | 12,689 (11,898) | < .0001 | < .0001 |
| Length of stay [days] (SD) | 5.57 (3.4) | 8.02 (3.0) | 3.12 (1.7) | 4.90 (3.5) | < .0001 | < .0001 |
