• Natalie Moryl, Vinnidhy Dave, Paul Glare, Ali Bokhari, Vivek T Malhotra, Amitabh Gulati, Joseph Hung, Vinay Puttanniah, Yvona Griffo, Roma Tickoo, Alison Wiesenthal, Susan D Horn, and Charles E Inturrisi.
• Palliative Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.
• J Pain. 2018 Mar 1; 19 (3): 278290278-290.

UnlabelledThe Memorial Sloan Kettering Pain Registry contains patient characteristics, treatments, and outcomes for a prospective cohort of 1,534 chronic pain cancer patients who were seen at outpatient pain service clinics. Average pain intensity (Brief Pain Inventory) was reported as mild by 24.6% of patients, moderate by 41.5%, and severe by 33.9%. The patient's report of average percent pain relief and health state (EuroQOL 5 dimensions) was inversely related to average pain intensity category, whereas measures of pain interference, number of worst pain locations, and physical and psychological distress were directly related to pain intensity category. Eighty-six percent of patients received an opioid at 1 or more clinic encounters. Regression analysis revealed that male sex or being younger (65 years of age or younger) was associated with a greater likelihood of an opioid ordered. Male sex nearly doubled the likelihood of a higher dose being ordered than female sex. Bivariate analysis found that patients receiving opioids reported significantly more pain relief than no-opioid patients. However, patients receiving opioids had higher pain interference scores, lower index of health state, and more physical distress than no-opioid patients Our results identify the need to consider opioid use and dosage when attempting to understand patient-reported outcomes (PROs) and factors affecting pain management.PerspectiveThis report describes the results of the analyses of PROs and patient-related electronic health record data collected under standard of care from cancer patients at outpatient pain management clinics of Anesthesiology and Palliative Care at the Memorial Sloan Kettering Cancer Center. Consideration of sex and age as predictors of opioid use is critical in attempting to understand PROs and their relationship to pain management.Copyright © 2017 The American Pain Society. Published by Elsevier Inc. All rights reserved.

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