Table 1 AViKA study inclusion and exclusion criteria

▪ Scheduled to undergo primary TKA at BWH

▪ Osteoarthritis is not the underlying diagnosis (e.g. inflammatory arthritis)

▪ Osteoarthritis is the principal underlying diagnosis

▪ Psychological issues that preclude participation, as identified by participating surgeons

▪ Age ≥ 40 years at the projected date of TKA

▪ Dementia

▪ English-speaking

▪ Non-English speaker

▪ Age < 40 at the projected date of TKA

▪ Lives in a nursing home (difficult to track costs)

▪ Implantation of unicompartmental knee arthroplasty or interpositional arthroplasty (different clinical features and different costs)

▪ Bilateral TKA (simultaneous, staged or planned within 6 months)