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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).