Pain relief scale is more highly correlated with numerical rating scale than with visual analogue scale in chronic pain patients.

@article{Lee2015PainRS,
  title={Pain relief scale is more highly correlated with numerical rating scale than with visual analogue scale in chronic pain patients.},
  author={Jae Jin Lee and Mi Kyoung Lee and Jung Eun Kim and Hee Zoo Kim and Sang Hoon Park and Jong Hyun Tae and Sang Sik Choi},
  journal={Pain physician},
  year={2015},
  volume={18 2},
  pages={
          E195-200
        }
}
The pain relief scale (PRS) is a method that measures the magnitude of change in pain intensity after treatment. The present study aimed to evaluate the correlation between PRS and changes in pain determined by the visual analogue scale (VAS) and numerical rating scale (NRS), to confirm the evidence supporting the use of PRS. Sixty patients with chronic spinal pain that had a VAS and NRS recorded during an initial examination were enrolled in the study. One week later, the patients received an… CONTINUE READING

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