Statistics and graphs based on the unfiltered data.
Pain
(PDF)Click here for additional data file.(DOCX)Click here for additional data file.The authors would like to thank Maren Loosli, anesthesia study nurse; the undergraduate students Thora Ottenhausen, Carl Conrad, Sophie Hunger, Julian Meyer, Julian Lennertz, Paulina Kaluza, and Mirco Lareida; as well as the personnel of the Department of Anaesthesiology and Pain Medicine at the Bern University Hospital in Switzerland for their help in conducting the study. We also want to thank Jeannie Wurz for review of the English in the manuscript.