This cohort study obtained data from the Korean National Health Insurance Service (K-NHIS) database. For the hip replacement registry, we included all adult patients older than 19 who received total or hemiarthroplasty surgery between January 1, 2003, and December 31, 2019. Using this registry, we compared efficacy and safety by type of head or liner.

This cohort study obtained data from the Korean National Health Insurance Service (K-NHIS) database. For the hip replacement registry, we included all adult patients older than 19 who received total or hemiarthroplasty surgery between January 1, 2003, and December 31, 2019. Using this registry, we compared efficacy and safety by type of head or liner. The safety issues included the incidence of cancer, orthoperiodic outcome (dislocation, mechanical Cx, periprosthetic join infection, periprosthetic fracture), revision, embolism or thrombosis, cardiac outcome, and death

Inclusion Criteria:

• Patient aged 19 or older who received hip replacement surgery

Exclusion Criteria:

• Insufficient information
• history of any revision

Patient aged 19 or older who received hip replacement surgery

Access to the dataset is limited to researchers who have been approved by the NHIS.