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Table 4 Pearson's correlation matrix of CDC Symptom Inventory DLV, CIS-20 and SF-36 scores for women and men.

From: Translation and validation of the Dutch language version of the CDC Symptom Inventory for assessment of Chronic Fatigue Syndrome (CFS)

 

Total score

Short Form

Case Definition

Questionnaires

      

Women (n = 127)

r

P

r

P

r

P

CIS-20

      

   Fatigue

.64

<.001

.69

<.001

.65

<.001

   Concentration

.65

<.001

.69

<.001

.67

<.001

SF-36

      

   Physical functioning

-.68

<.001

-.64

<.001

-.64

<.001

CDC Symptom Inventory DLV

      

   Total

  

.92

<.001

.93

<.001

   Short Form

.92

<.001

  

.90

<.001

Men (n = 55)

      

CIS-20

      

   Fatigue

.81

<.001

.82

<.001

.84

<.001

   Concentration

.79

<.001

.84

<.001

.79

<.001

SF-36

      

   Physical functioning

-.84

<.001

-.80

<.001

-.85

<.001

CDC Symptom Inventory DLV

      

   Total

  

.96

<.001

.96

<.001

   Short Form

.96

<.001

  

.95

<.001

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Population Health Metrics

ISSN: 1478-7954