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Table 3 Construct validity of Fibromyalgia Survey Questionnaire (Brazil): telephone interview and self-administration

From: Validity of fibromyalgia survey questionnaire (2016) assessed by telephone interview and cross-cultural adaptation to Brazilian Portuguese language

 

ACR 1990

Fibromyalgia diagnosis

 

Tender points count

 

Kappa

Spearman

FSQ-BR phone

Se

77.8% [57.7–91.3]

0.65 ± 0.09

WPI

0.76 ± 0.05

Sp

88.3% [77.4–95.1]

 

FSS

0.77 ± 0.05

FSQ-BR self

Se

66.7% [46.0–83.5]

0.62 ± 0.09

WPI

0.68 ± 0.06

Sp

88.3% [77.4–95.2]

 

FSS

0.72 ± 0.05

  1. FSQ Fibromyalgia Survey Questionnaire, Br Brazil, WPI widespread pain index, SSS symptom severity scal, FSS fibromyalgia severity scale, Se sensitivity, Sp Specificity
  2. Results are shown with ± standard errors or [95% confidence interval]
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Advances in Rheumatology

ISSN: 2523-3106