Table 1.
The Population, Intervention, Comparison, Outcome, Study design process24
| Item | Specification |
| Population or participants and conditions of interest | Patients with OA or AVN of the knee (any age, gender and severity) |
| Interventions | TKA/UKA |
| Comparisons or control groups | For comparison between limbs of the same subject: asymptomatic contralateral hip and knee For comparison between patients and heathy individuals: asymptomatic control subjects |
| Outcomes of interest | Muscle strength of hip abductors |
| Study designs | Any study design, published studies, conference abstracts to be considered |
AVN, avascular necrosis; OA, osteoarthritis; TKA/UKA, total or unicompartmental knee arthroplasty.