Measuring Pain in Systemic Sclerosis: Comparison of the Short-form McGill Pain Questionnaire Versus a Single-item Measure of Pain

OBJECTIVE: Studies of pain in systemic sclerosis (SSc) have used a variety of measures, including single-item measures and the 15-item short-form McGill Pain Questionnaire (MPQ-SF). The objective of our study was to compare the performance of the MPQ-SF to a single-item pain numerical rating scale (NRS) and determine whether the MPQ-SF effectively differentiates between sensory and affective components of pain in SSc. METHODS: A …