Table 1 Inclusion and exclusion criteria

Comparative studies between robotic and conventional TKA

Case reports, review articles, editorials, technical notes, commentaries

Patients undergoing TKA for primary OA

Patients undergoing TKA for conditions other than primary OA, such as rheumatoid arthritis or trauma

Prospective/retrospective clinical studies and RCTs

Complex TKA cases such as revision TKA or conversion TKA from prior high tibial osteotomy

Survivorship & complication outcomes

Studies with no missing or incomplete data with respect to key demographics and outcomes

Nonclinical, in-vitro, biomechanical studies, animal or cadaveric studies

Studies with assessed severe or critical risk-of-bias, missing or incomplete data