TABLE 2.

Proposed search strategy for databases.

Database	Search strategy
PubMed	(‘Arthroplasty, Replacement, Knee’ [Mesh] OR TJR[tiab] OR ‘total knee Arthroplasty’ [tiab] OR TKA[tiab] OR ‘total joint arthroplasty’ [tiab] OR TJA [tiab] OR ‘Knee Joint/surgery’ [Mesh] OR ‘knee replacement’ [tiab] OR TKR [tiab]) AND (‘osteoarthritis’ [MeSH] OR ‘Osteoarthritis, Knee/statistics and numerical data’ [Mesh] OR ‘Osteoarthritis, Knee/surgery’ [Mesh] OR ‘osteoarthritis*’ [Title/Abstract]) AND (‘quality of life’ [Title/Abstract] OR ‘Quality of Life’ [Mesh] OR profile*[tiab] OR epidemiology*[tiab] OR characteristic*[tiab] OR demographic*[tiab] OR prevalence[tiab] OR ‘waiting list*’)
Scopus	(INDEXTERMS (‘Arthroplasty, Replacement, Knee’) OR TITLE-ABS (‘total knee Arthroplasty’) OR TITLE-ABS (‘TKA’) OR TITLE-ABS (‘total joint arthroplasty’) OR TITLE-ABS (‘TJA’) OR INDEXTERMS (‘Knee Joint/surgery’) OR TITLE-ABS (‘knee replacement’) OR TITLE-ABS (knee AND arthroplasty)) AND (INDEXTERMS (‘osteoarthritis’) OR INDEXTERMS (‘Osteoarthritis, Knee/statistics and numerical data’) OR INDEXTERMS (‘Osteoarthritis, Knee/surgery’) OR TITLE-ABS (‘osteoarthritis*’)) AND (TITLE-ABS (‘quality of life’) OR INDEXTERMS (‘Quality of Life’) OR TITLE-ABS (‘profile*’) OR TITLE-ABS (‘epidemiology*’) OR TITLE-ABS (‘characteristic*’) OR TITLE-ABS (‘demographic*’) OR TITLE-ABS (‘prevalence’) OR TITLE-ABS (‘waiting list*’)) AND (LIMIT-TO (SRCTYPE, ‘j’)) AND (LIMIT-TO (SUBJAREA, ‘MEDI’) OR LIMIT-TO (SUBJAREA, ‘HEAL’) OR LIMIT-TO (SUBJAREA, ‘NURS’) OR LIMIT-TO (SUBJAREA, ‘MULT’) OR LIMIT-TO (SUBJAREA, ‘NEUR’))
Ebscohost	((MH ‘Arthroplasty, Replacement, Knee+’) OR (TI ‘total knee Arthroplasty’ OR AB ‘total knee Arthroplasty’) OR (TI TKA OR AB TKA) OR (TI ‘total joint arthroplasty’ OR AB ‘total joint arthroplasty’) OR (TI TJA OR AB TJA) OR (MH ‘Knee Joint/surgery+’) OR (TI ‘knee replacement’ OR AB ‘knee replacement’)) AND ((MH ‘osteoarthritis+’) OR (MH ‘Osteoarthritis, Knee/statistics and numerical data+’) OR (MH ‘Osteoarthritis, Knee/surgery+’) OR (TI osteoarthritis* OR AB osteoarthritis*)) AND ((TI ‘quality of life’ OR AB ‘quality of life’) OR (MH ‘Quality of Life+’) OR (TI profile* OR AB profile*) OR (TI epidemiology* OR AB epidemiology*) OR (TI characteristic* OR AB characteristic*) OR (TI demographic* OR AB demographic*) OR (TI prevalence OR AB prevalence) OR ‘waiting list*’)) Limiters – Human; Expanders – Apply equivalent subjects; Search modes – Boolean/Phrase
Web of Science	(‘Arthroplasty, Replacement, Knee’ OR ‘total knee Arthroplasty’ OR TKA OR ‘total joint arthroplasty’ OR TJA OR ‘Knee Joint/surgery’ OR ‘knee replacement’) AND (osteoarthritis OR ‘Osteoarthritis, Knee/statistics and numerical data’ OR ‘Osteoarthritis, Knee/surgery’ OR osteoarthritis*) AND (‘quality of life’ OR ‘Quality of Life’ OR profile* OR epidemiology* OR characteristic* OR demographic* OR prevalence OR ‘waiting list*’)
ProQuest	(AB(‘total knee Arthroplasty’ OR TKA OR ‘total joint arthroplasty’ OR TJA OR ‘Knee Joint/surgery’ OR ‘knee replacement’) OR SU(‘total knee arthroplasty’)) AND AB(osteoarthritis*) AND AB(‘Quality of Life’ OR profile* OR epidemiology* OR characteristic* OR demographic* OR prevalence OR ‘waiting list*’) Dissertations and thesis

TKR, Total knee replacement.