The reliability and validity of the Turkish version of fibromyalgia survey diagnostic criteria and symptom severity scale

Yanmaz, Müyesser Nergiz; Atar, Sevgi; Biçer, Mualla

doi:10.3233/bmr-150627

Cited by 13 publications

(12 citation statements)

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“…Despite the skewness of their distributions, making it more difficult to obtain significant correlations, the WPI and the Total Symptoms SS scores correlated positively with the Total Clinical Pain, Current Pain Intensity, Emotional Pain, and Sensorial Pain subscale scores of the MPQ. Similarly, correlations of WPI and SS scores with pain intensity measured by a VAS were demonstrated in previous research [ 21 ]. An important symptom of FMS is fatigue [ 16 , 42 ].…”

Section: Discussionsupporting

confidence: 76%

“…Most previous studies assessing the internal consistency of the two scales together revealed similar values. While in the present study the Cronbach´s α of the two scales in combination was 0.82, it was 0.87 in the French validation study [20], 0.77 in the Turkish one [21], and 0.93 in a previous Spanish study using the revised 2010 criteria with patient´s self-administration procedure [23]. The WPI and SS scores exhibited a moderate correlation in FMS patients but not in RA patients, suggesting a positive association between the extent of the painful body areas and pain severity.…”

Section: Discussioncontrasting

confidence: 63%

“…Studies analyzing the internal consistency of both scales together reported Cronbach’s α values of 0.75 in Japanese [ 19 ] and 0.87 in French [ 20 ] samples. A Turkish study reported Cronbach´s α values of 0.78 for the WPI, 0.53 for SS and 0.77 for the two scales together [ 21 ]. (4) Evaluation of the predictive validity of the WPI and SS with respect to the core FMS symptoms; two studies demonstrated inverse associations of WPI and SS with measures of quality of life [ 22 , 23 ].…”

Section: Introductionmentioning

confidence: 99%

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Reliability, Factor Structure and Predictive Validity of the Widespread Pain Index and Symptom Severity Scales of the 2010 American College of Rheumatology Criteria of Fibromyalgia

Galvez-Sánchez

Coba

Duschek

et al. 2020

JCM

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Fibromyalgia syndrome (FMS) is a chronic condition of widespread pain. In 2010, the American College of Rheumatology (ACR) proposed new diagnostic criteria for FMS based on two scales: the Widespread Pain Index (WPI) and Symptoms Severity (SS) scale. This study evaluated the reliability, factor structure and predictive validity of WPI and SS. In total, 102 women with FMS and 68 women with rheumatoid arthritis (RA) completed the WPI, SS, McGill Pain Questionnaire, Trait Anxiety Inventory, Fatigue Severity Scale, Oviedo Quality of Sleep Questionnaire, and Beck Depression Inventory. Pain threshold and tolerance and a measure of central sensitization to pain were obtained by pressure algometry. Values on WPI and SS showed negative-skewed frequency distributions in FMS patients, with most of the observations concentrated at the upper end of the scale. Factor analysis did not reveal single-factor models for either scale; instead, the WPI was composed of nine pain-localization factors and the SS of four factors. The Cronbach’s α (i.e., Internal consistency) was 0.34 for the WPI,0.83 for the SS and 0.82 for the combination of WPI and SS. Scores on both scales correlated positively with measures of clinical pain, fatigue, insomnia, depression, and anxiety but were unrelated to pain threshold and tolerance or central pain sensitization. The 2010 ACR criteria showed 100% sensitivity and 81% specificity in the discrimination between FMS and RA patients, where discrimination was better for WPI than SS. In conclusion, despite their limited reliability, both scales allow for highly accurate identification and differentiation of FMS patients. The inclusion of more painful areas in the WPI and of additional symptoms in the SS may reduce ceiling effects and improve the discrimination between patients differing in disease severity. In addition, the use of higher cut-off values on both scales may increase the diagnostic specificity in Spanish samples.

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Section: Discussionsupporting

confidence: 76%

Section: Discussioncontrasting

confidence: 63%

Section: Introductionmentioning

confidence: 99%

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Reliability, Factor Structure and Predictive Validity of the Widespread Pain Index and Symptom Severity Scales of the 2010 American College of Rheumatology Criteria of Fibromyalgia

Galvez-Sánchez

Coba

Duschek

et al. 2020

JCM

View full text Add to dashboard Cite

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“…The four items were each rated as 0–3 (0, none; 1, mild; 2, moderate; 3, severe), resulting in an overall score of 0–12 points. The validity and reliability of the Turkish version of the WPI and SSS have been evaluated[ 16 ] (access at site https://www.fmmgmt.com/sites/default/files/pdfs/ACR.pdf ).…”

Section: Methodsmentioning

confidence: 99%

Choroidal thickness in patients with fibromyalgia and correlation with disease severity

Ulusoy

Kal

Işık-Ulusoy

et al. 2018

Indian J Ophthalmol

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“…9 The Turkish version of SSS for fibromyalgia was found to be valid and reliable. 10…”

Section: Clinical Assessmentmentioning

confidence: 99%

The effect of supervised dynamic exercise program on somatosensory temporal discrimination in patients with fibromyalgia syndrome

et al. 2021

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Objectives: This study aims to investigate the effect of a supervised dynamic exercise program on somatosensory temporal discrimination (STD) which indicates the central sensory processing ability. Patients and methods: Forty-eight patients (mean age: 43 years; range, 19 to 64 years) with fibromyalgia syndrome (FMS) were included in this prospective, randomized study between April 2018 and October 2018. Demographics and clinical measurements were recorded. The STD threshold was measured by a researcher blinded to the treatment groups. After baseline assessments, the patients were randomized into two groups: the supervised exercise group (SEG) and the home exercise group (HEG) as the control group. The SEG performed submaximal aerobic exercise and low-medium resistant isotonic exercises under the supervision of a physiotherapist, 1-h per day, three days in a week for four weeks. The HEG was given a home-based exercise program consisting of low-to-medium resistance isotonic exercises and aerobic exercises 1-h per day, three days in a week for four weeks. After exercise program, clinical assessments and STD threshold measurement were repeated. Results: Clinical and STD threshold measures improved significantly after four-week exercise program in both groups. The improvements in clinical measures were significantly higher in the SEG. However, there was no difference in the STD threshold improvement between the groups. No correlation was found between the STD threshold measure and clinical features in any patients. Conclusion:Although a significant improvement was achieved in impaired STD threshold with SEG, it was not found to be superior to the amelioration observed with HEG.

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The reliability and validity of the Turkish version of fibromyalgia survey diagnostic criteria and symptom severity scale

Abstract: The Turkish experimental version of FSDC is a reliable and valid instrument in Turkish FMS patients. It is easily completed, simple to score providing valuable instrument to diagnose and follow FMS.

Cited by 13 publications

References 0 publications

Reliability, Factor Structure and Predictive Validity of the Widespread Pain Index and Symptom Severity Scales of the 2010 American College of Rheumatology Criteria of Fibromyalgia

Reliability, Factor Structure and Predictive Validity of the Widespread Pain Index and Symptom Severity Scales of the 2010 American College of Rheumatology Criteria of Fibromyalgia

Choroidal thickness in patients with fibromyalgia and correlation with disease severity

The effect of supervised dynamic exercise program on somatosensory temporal discrimination in patients with fibromyalgia syndrome

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