References:
Ng et al. Preoperative Risk Stratification and Risk Reduction for Total Joint Reconstruction. AAOS 2013
Aram et al. Estimating an Individual's Probability of Revision Surgery After Knee Replacement. Am J of Epid 2018
Gronbeck et at. Risk stratification in primary total joint arthroplasty. Arthroplasty Today 2019
Florschutz et al. Estimating patient specific mortality after joint replacement. Osteoarthritis and Cartilage 2019
Ziebma-Davis et al. Outpatient Joint Arthroplasty. J Arthoplasty 2019
National Joint Registry online Risk Assessment tool. jointcalc.shef.ac.uk