Table 1 The fields of validation used in the study to validate the NJR revision data
Field name | Variable type | Comment |
|---|---|---|
Local patient ID | Continuous | |
Gender | Dichotomous | Male or female |
Date of birth | Continuous | |
Revised by selected surgeon | Dichotomous | Yes or no |
Side | Dichotomous | Left or right |
Date of revision | Continuous | |
Date of primary | Continuous | |
Time from primary | Continuous | |
Primary type | Categorical | Primary cemented, primary uncemented, primary hybrid, primary resurfacing |
Reason (indication) for revision NJR | Categorical |