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Table 3 Pearson's product-moment correlation coefficient between the Brief Pain Inventory pain (BPI) severity index and function interference index with subscales of the WOMAC and the SF-36 questionnaires for patients with OA of the hip at baseline (N = 161)

From: Psychometric properties of the Brief Pain Inventory among patients with osteoarthritis undergoing total hip replacement surgery

  Pain Severity Index Function Interference Index
WOMAC   
Pain 0.66** 0.57**
Stiffness 0.26** 0.33**
Physical function 0.57** 0.63**
SF-36 Scale   
Physical functioning -0.38** -0.51*'
Role-physical -0.22** -0.32**
Bodily pain -0.58** -0.65**
General health -0.27** -0.37**
Vitality -0.39** -0.57**
Social functioning -0.45** -0.63**
Role-emotional -0.19* -0.40**
Mental health -0.41** -0.67**
  1. **correlation is significant at the 0.01 level
  2. * correlation is significant at the 0.05 level
  3. Hypothesized moderate to high correlations are boldfaced
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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