Development and Internal Validation of the Postoperative Analgesic Intake Needs Score: A Predictive Model for Post-Operative Narcotic Requirement after Spine Surgery

Zachary D. Johnson, Scott W. Connors, Zachary Christian, Olatunde Badejo, Emmanuel Adeyemo, Mark N. Pernik, Umaru Barrie, James P. Caruso, Benjamin Kafka, Om J. Neeley, Kristen Hall, Tarek Y. El Ahmadieh, Nader S. Dahdaleh, Joan S. Reisch, Salah G. Aoun, Carlos A Bagley