Johannesdottir KB, Kehlet H, Petersen PB, Aasvang EK, Sørensen HBD, Jørgensen CC, Centre for Fast-track Hip and Knee Replacement Collaborative Group on behalf of the. Machine learning classifiers do not improve prediction of hospitalization > 2 days after fast-track hip and knee arthroplasty compared with a classical statistical risk model. ActaO [Internet]. 2022 Jan. 3 [cited 2022 Dec. 8];93:117-23. Available from: https://actaorthop.org/actao/article/view/843