… As the number of total knee arthroplasty (TKA) procedures … The purpose of this study is to
internally validate a predictive … The purpose of this study is to internally validate a similar 11-…

… A previously published, internally validated 10-question PMPS was unable to predict
satisfaction after TKA in our external study sample. This study emphasizes the difficulty of …

… ], by externally validating the model for predicting 12-month Oxford Knee Scores. This study
… value of 0.176 under internal validation and 0.211 with external validation, somewhat lower …

… Nonhome discharge disposition following primary total knee arthroplasty (TKA) is associated
… internal and external validations using nation-scale and institutional cohorts, respectively. …

… external validation studies and for internal validation studies … is required, and internal
validation approaches should adjust … estimates from the internal validation subsample to derive …

… knee. We sought to validate that short-form survey in terms of internal consistency, external
validity (versus KOOS and WOMAC domains), responsiveness, and floor and ceiling effects. …

… All ML models were trained using 5-fold stratified cross-validation in the training set to …
The influence of expectation modification in knee arthroplasty on satisfaction of patients: a …

… The purpose of the current study was to develop and internally validate machine learning
(ML) algorithms for accurate TKA component size prediction with the ability to make predictions …

… trained and internally validated (five-fold cross-validation) on … compared to the external
validation cohort (12.8 versus 8.7%… in the internal validation cohort than in the external validation …

… Internal validation refers to the use of the source dataset to validate the generated tool’s …
Temporal validation—the prospective evaluation of the model on the source population at a …