Time point | Enrolment/Pre op clinic | Baseline | Surgery | Allocation | Post surgery | |||
---|---|---|---|---|---|---|---|---|
 |  |  |  |  | Weeks 0–2 | Weeks 3–6 | 6 months | 12 months |
KA surgery | Â | Â | X | Â | Â | Â | Â | Â |
High-risk screening tool applied | X | Â | Â | Â | Â | Â | Â | Â |
Eligibility screen: inclusion/exclusion criteria | X | Â | Â | Â | Â | Â | Â | Â |
Informed consent | X | Â | Â | Â | Â | Â | Â | Â |
Baseline questionnaire | Â | X | Â | Â | Â | Â | Â | Â |
Randomisation | Â | Â | Â | X | Â | Â | Â | Â |
 Intervention arm: home-based exercise programme |  |  |  |  | X |  |  |  |
 Usual care arm: routine care, local centre |  |  |  |  | X |  |  |  |
Assessments | Â | Â | Â | Â | Â | Â | Â | Â |
 • Demographics  • Medical History  • EQ-5D-5L presurgery recall |  | X X X |  |  |  |  |  |  |
 • LLFDI score  • Oxford Knee Score  • Quality of life subscale of the Knee Osteoarthritis Outcome Score (KOOS)  • Physical Activity Scale for the Elderly (PASE) questionnaire.  • Health economics using the EQ-5D-5L  • 30-s chair-stand test  • Figure of 8 walk test  • Single-leg stance |  | X X X X X X X |  |  |  |  | X X X X X X X | X X X X X X X |
Participant Diary: completed daily/as required at home for 6 weeks Then weekly recording:  • Exercises undertaken  • Medication taken  • Use of health care services and personnel |  |  |  |  | X | X | X | X |
Adverse events  Collected throughout |  |  | X |  | X | X | X | X |