Pain after orthopaedic surgery: differences in patient reported outcomes in the United States vs internationally. An observational study from the PAIN OUT dataset R. Zaslansky, W. Meissner, C.R. Chapman British Journal of Anaesthesia Volume 120, Issue 4, Pages 790-797 (April 2018) DOI: 10.1016/j.bja.2017.11.109 Copyright © 2017 British Journal of Anaesthesia Terms and Conditions
Fig 1 Number of patients approached for participation, proportion of patents excluded, and number of patients included in the current analysis. British Journal of Anaesthesia 2018 120, 790-797DOI: (10.1016/j.bja.2017.11.109) Copyright © 2017 British Journal of Anaesthesia Terms and Conditions