Arthritis Research & Therapy

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*
	ICOAP	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**

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.

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ISSN: 1478-6362

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