Median pain scores | ||||
---|---|---|---|---|
Pain on administration of anaesthetic | Pain at manipulation | Pain 30 minutes post manipulation | Remanipulation 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=72 | 5.3 | 3.0 | 1.0 | 24% |
Biers block n=70 | 2.8 | 1.5 | 1.2 | 6% |
Statistical test | Mann-Whitney U | Mann-Whitney U | Mann-Whitney U | χ2 |
p Value | <0.001 | <0.01 | Not significant | 0.003 |