A randomized controlled crossover trial: Lidocaine injected at a 90-degree angle causes less pain than lidocaine injected at a 45-degree angle Kathryn J. Martires, BA, Christi L. Malbasa, MD, Jeremy S. Bordeaux, MD, MPH Journal of the American Academy of Dermatology Volume 65, Issue 6, Pages 1231-1233 (December 2011) DOI: 10.1016/j.jaad.2011.04.011 Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions
Fig 1 Pain assessment using 10-point Wong-Baker Faces scale. Median pain scores, along with interquartile ranges, are shown. Difference in medians between the 2 groups was statistically significant (P = .0002). Journal of the American Academy of Dermatology 2011 65, 1231-1233DOI: (10.1016/j.jaad.2011.04.011) Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions