Table 2.
Time-driven activity-based costs.
| Cost category | cTKA (n = 1795) | roTKA (n = 263) | P value |
|---|---|---|---|
| Implant | — | 1.03× | .076 |
| Supply excluding implant | — | 2.17× | <.0001 |
| Supply (medications) | — | 0.95× | .79 |
| Supply cost total | — | 1.18× | <.0001 |
| Personnel PACU | — | 0.98× | .018 |
| Personnel inpatient | — | 0.84× | <.0001 |
| Personnel OR | — | 1.12× | <.0001 |
| Personnel cost total | — | 1.05× | .0001 |
| Total hospital cost | — | 1.10× | <.0001 |
cTKA, conventional total knee arthroplasty; OR, operating room; PACU, postanesthesia care unit; roTKA, robotic-assisted total knee arthroplasty.