Reliability of pain scales in the assessment of literate and illiterate patients with rheumatoid arthritis.

Abstract

The assessment of a measure of chronic pain, should be reliable, valid and sensitive to change. Our study evaluated the reliability of 3 pain scales, visual analogue scale (VAS), numerical rating scale (NRS) and verbal rating scale (VRS) in literate and illiterate patients with rheumatoid arthritis (RA). Patients with RA attending an outpatient rheumatology… (More)

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