CMAJ January 16, 2007; 176 (2). doi:10.1503/cmaj.060875.
© 2007 Canadian Medical Association or its licensors
All editorial matter in CMAJ represents the opinions of the authors and not necessarily those of the Canadian Medical Association.
Auricular acupuncture for pain relief after ambulatory knee surgery: a randomized trial
Taras I. Usichenko,
Sven Kuchling,
Torsten Witstruck,
Dragan Pavlovic,
Maria Zach,
Andre Hofer,
Harry Merk,
Christian Lehmann and
Michael Wendt
From the Department of Anesthesiology and Intensive Care Medicine (Usichenko, Pavlovic, Zach, Lehmann, Wendt, Kuchling) and the Department of Orthopedic Surgery (Witstruck, Hofer, Merk), Ernst Moritz Arndt University, Greifswald, Germany

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Fig. 1: Flow diagram of the study. The primary unequal allocation of 61 v. 59 (rather than 60 v. 60) represents an error during preparation of the sealed envelopes before the study. For patients who were admitted to hospital and withdrawn from the study, the reasons for admission are provided. R = randomization.
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Fig. 2: Mean pain intensity scores (and standard deviation) after ambulatory arthroscopic knee surgery on a 100-mm visual analogue scale.
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