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Table 4 Pearson correlations between CKD-SBI symptom dimension subscales and KDQOL-36 domains (N= 433)

From: Arabic translation, adaptation and modification of the dialysis symptom index for chronic kidney disease stages four and five

CKD-SBI KDQOL-36
Total KDQOL scale score Physical function summary Mental health summary Effects of kidney disease on daily life Symptoms and problems subscale* Burden of the disease
Prevalence r = -0.58** r = -0.51** r = -0.41** r = -0.47** r = 0.72** r = -0.33**
Distress r = -0.63** r = -0.51** r = -0.44** r = -0.54** r = 0.78** r = -0.36**
Severity r = -0.61** r = -0.49** r = -0.43** r = -0.51** r = 0.77** r = -0.34**
Frequency r = -0.61** r = -0.51** r = -0.44** r = -0.49** r = 0.75** r = -0.35**
Total symptom burden r = -0.63** r = -0.52** r = -0.44** r = -0.53** r = 0.75** r = -0.44**
  1. *The results are presented after reverse scoring the symptoms and problems subscale of the KDQOL-36 to be consistent and in the same direction with our scoring system.
  2. **Correlation is significant at the 0.01 level (2-tailed).