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Table 3 Multiple regression model of fatigue (fVAS scores) and selected variables

From: Interleukin-1-related activity and hypocretin-1 in cerebrospinal fluid contribute to fatigue in primary Sjögren’s syndrome

Variables

Estimate

Std. error

P

Depression (BDI) scores

0.97

0.40

0.019

Pain (SF-36) scores*

0.38

0.13

0.004

IL-1Ra

0.54

0.19

0.009

  1. Statistics for the final model: adjusted R2 0.37, P value < 0.001
  2. Abbreviations: BDI Beck Depression Inventory, SF-36 36-item short form survey instrument, IL-1Ra interleukin 1 receptor antagonist
  3. *SF-36 pain scores are reported according to the transformed scale with high scores indicating high bodily pain and low scores indicating low bodily pain