Table 1
Median pain scores
Pain on administration of anaestheticPain at manipulationPain 30 minutes post manipulationRemanipulation rate
Adapted from: Kendall JM, Allen P, Younge P, et al. Haematoma block or Biers block for Colles’ fracture reduction in the accident and emergency department—which is best?. J Accid Emerg Med 1997;14:352–6.
Haematoma block. n=725.33.01.024%
Biers block n=702.81.51.26%
Statistical testMann-Whitney UMann-Whitney UMann-Whitney Uχ2
p Value<0.001<0.01Not significant0.003