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Table 2 Associations of clinical characteristics with pressure pain-detection thresholds

From: A cross-sectional study of pain sensitivity, disease-activity assessment, mental health, and fibromyalgia status in rheumatoid arthritis

    Medial knee Tibia Sternum
DAS28 −0.62** −0.62** −0.60**
  TJC −0.53** −0.50** −0.48**
  VAS-GH −0.52** −0.46** −0.52**
  SJC −0.04 0.03 −0.04
  ESR −0.12 −0.21 −0.14
DAS28-P −0.46** −0.41** −0.41**
Pain McGill Pain Questionnaire Continuous −0.43** −0.60** −0.47**
  Intermittent −0.41** −0.41** −0.40**
  Neuropathic −0.45** −0.49** −0.38**
  Affective −0.30* −0.43** −0.33*
  Total score −0.47** −0.57** −0.46**
  ICOAP Constant −0.34** −0.39** −0.35*
  Intermittent −0.35* −0.56** −0.41**
  Knee pain −0.53** −0.49** −0.46**
  Widespread Pain Index −0.36* −0.40** −0.33*
Fatigue Fatigue Severity Scale −0.27 −0.33* −0.27
Mood Beck Depression Index II −0.40** −0.35* −0.36*
  State-Trait Anxiety Index −0.24 −0.16 −0.12
Somatic symptoms scale −0.28* −0.30* −0.27*
Fibromyalgia −0.44** −0.41** −0.39**
  1. Negative values indicate that higher levels of trait are associated with lower PPTs (more sensitive). Unadjusted correlation coefficients for log-transformed PPT are shown. Fibromyalgia is calculated from Widespread Pain Index + Somatic Symptoms Scale. **P < 0.01, *P < 0.05 for significance of association.