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Table 3 Spearman correlations with other measures in FM patients (n = 102)

From: Cross-cultural adaptation and validation of a Bengali version of the modified fibromyalgia impact questionnaire

B-FIQ questions

Current FM symptoms (VAS)

TPC

Pain

Tiredness

Stiffness

Depression

Sleep problems

Headache

Disease severity

Physical function

0.026

0.216*

0.176

0.187

0.142

0.105

0.136

0.245*

Days felt good

0.301**

0.317**

0.241*

0.330**

0.335**

0.281**

0.293**

0.217*

Workdays missed

0.146

0.124

0.114

0.173

0.112

0.060

0.097

0.246*

Ability to do job

0.559**

0.418**

0.433**

0.521**

0.454**

0.364**

0.422**

0.382**

Pain

0.750**

0.333**

0.289**

0.417**

0.296**

0.220*

0.437**

0.247*

Fatigue

0.371**

0.566**

0.479**

0.286**

0.370**

0.465**

0.445**

0.274**

Morning tiredness

0.405**

0.923**

0.359**

0.473**

0.502**

0.408**

0.545**

0.327**

Stiffness

0.345**

0.266**

0.780**

0.300**

0.371**

0.365**

0.358**

0.153

Anxiety

0.465**

0.419**

0.340**

0.579**

0.372**

0.272**

0.415**

0.387**

Depression

0.324**

0.559**

0.260**

0.790**

0.318**

0.271**

0.544**

0.288**

  1. VAS = visual analog scale; TPC = tender point count. * P < 0.05; ** P < 0.01.