Clinical importance of changes in chronic pain intensity measured on an 11-point numerical pain rating scale

@article{Farrar2001ClinicalIO,
  title={Clinical importance of changes in chronic pain intensity measured on an 11-point numerical pain rating scale},
  author={J. Farrar and J. P. Young and L. Lamoreaux and J. Werth and R. Poole},
  journal={PAIN},
  year={2001},
  volume={94},
  pages={149-158}
}
Pain intensity is frequently measured on an 11-point pain intensity numerical rating scale (PI-NRS), where 0=no pain and 10=worst possible pain. [...] Key Method Data on 2724 subjects from 10 recently completed placebo-controlled clinical trials of pregabalin in diabetic neuropathy, postherpetic neuralgia, chronic low back pain, fibromyalgia, and osteoarthritis were used.Expand
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