Osteonecrosis of the Jaw Is Not Only Produced by Bisphosphonates. A Case Control Study Using Propensity Score Matching

Marlene García-Quintana1*, Pedro Saavedra-Santana2, Mario Vicente-Barrero1,3, Sacramento Bocanegra- Pérez3, Mª Pino Quintana-Montesdeoca2 & Manuel Sosa-Henríquez1,4

1PhD. Research Group on Osteoporosis and Mineral Metabolism. Professor University of Las Palmas de Gran Canaria. Las Palmas de Gran Canaria (Spain)
2DMD. Professor Department of Mathematics. University of Las Palmas de Gran Canaria. Las Palmas de Gran Canaria (Spain)
3MD. Department Head. Service of Maxilo-Facial Surgery. Hospital University Insular. Las Palmas de Gran Canaria (Spain)
4DMD. Department Bone Metabolic Unit. Hospital University Insular. Professor Medicine University of Las Palmas de Gran Canaria. Las Palmas de Gran Canaria (Spain)

Dr. Marlene García Quintana, Department of Medical and Surgical Sciences, University Las Palmas de Gran Canaria (ULPGC), Las Palmas.

Keywords: Osteonecrosis; Jaw; Bisphosphonates; Etiology; Propensity Score Matching


Introduction: Propensity score matching (PSM) is a statistical matching technique that attempts to estimate the effect of a treatment, or another intervention based on the covariates that predict whether the treatment will be received. PSM attempts to reduce bias due to confounding variables that can be found in an estimate of the treatment effect obtained from simply comparing the results between units that received the treatment versus those that did not.

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