Table 4

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

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

Vermeulen Population Health Metrics 2006 4:12   doi:10.1186/1478-7954-4-12