Development and validation of a postoperative nausea and vomiting intensity scale R Wengritzky, T Mettho, P.S. Myles, J Burke, A Kakos British Journal of Anaesthesia Volume 104, Issue 2, Pages 158-166 (February 2010) DOI: 10.1093/bja/aep370 Copyright © 2010 The Author(s) Terms and Conditions
Fig 1 The Postoperative Nausea and Vomiting (PONV) Intensity Scale. The PONV Intensity Scale can be repeated at 24 and 72 h to measure later onset PONV. British Journal of Anaesthesia 2010 104, 158-166DOI: (10.1093/bja/aep370) Copyright © 2010 The Author(s) Terms and Conditions
Fig 2 The risk (expressed as odds ratio) of having an adverse consequence of emesis in patients classified as having clinically important PONV using the PONV Intensity Scale. British Journal of Anaesthesia 2010 104, 158-166DOI: (10.1093/bja/aep370) Copyright © 2010 The Author(s) Terms and Conditions