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Table 5 Correlation of quality of life, disease activity, symptoms and fatigue

From: Pain and fatigue are predictors of quality of life in primary Sjögren’s syndrome

  ESSDAI ESSPRI dryness ESSPRI fatigue ESSPRI pain ESSPRI Total FACIT-Fatigue
SF36
 Physical functioning 0.04 −0.44** −0.29* − 0.55** − 0.56** 0.53**
 Physical role functioning 0.01 −0.17 −0.08 − 0.23* −0.24* 0.35**
 Bodily pain 0.03 −0.33** −0.23* − 0.59** −0.53** 0.56**
 General health −0.08 −0.27* − 0.17 −0.34** − 0.34** 0.56**
 Vitality −0.04 −0.23* − 0.26* −0.36** − 0.39** 0.56**
 Social functioning −0.01 −0.33** − 0.18 −0.21 − 0.29* 0.45**
 Emotional role functioning −0.24** −0.31** − 0.11 −0.23 − 0.29* 0.48**
 Mental health 0.04 −0.21 −0.23* − 0.31** −0.28* 0.46**
 PCS 0.06 −0.35** −0.21 − 0.53** −0.5** 0.46**
 MCS −0.14 −0.2 − 0.17 −0.12 − 0.24* 0.48**
Whoqol Bref
 Physical health −0.09 −0.34** − 0.19 −0.43** − 0.50** 0.68**
 Psychological health −0.08 −0.32** − 0.19 −0.36** − 0.38** 0.56**
 Social relations −0.03 −0.17 − 0.2 −0.34** − 0.33** 0.37**
 Environment −0.01 −0.19 − 0.18 −0.49** − 0.34** 0.32**
ESSDAI   −0.11 −0.01 − 0.04 −0.08 − 0.06
  1. ESSDAI EULAR Sjögren’s syndrome disease activity index, ESSPRI EULAR Sjögren’s syndrome patient reported index, FACIT Fatigue – Functional Assessment of Chronic Illness Therapy-Fatigue, SF-36 Short Form-36 Health Survey, PCS Physical Component Summary, MCS Mental Component Summary, WHOQOL-BREF World Health Organization quality of life – BREF
  2. *p < 0.01; ‘**p < 0.05