Abstract
Background/aimCurrent clinical guidelines recommend to use both clinical and self-reported measurements for evaluation of chronic neck pain. Among the self-reported outcomes, Neck disability index and patient-specific functional scale are the most widely used and recommended instruments. The purpose of our study was to determine the test-retest reliability and validity of patient-specific functional scale which was not validated in Turkish language previously. Materials and methodsTranslation and adaptation process had conducted according to the Beaton et al. Sociodemographic data, Turkish version of patient-specific functional scale and neck disability index were recorded at the initial assessment. Retest assessment was produced for reliability analyses and intraclass correlation coefficient (ICC3,2) was determined. The correlations between patient-specific functional scale and neck disability index and hypothesis testing were examined for the convergent and construct validity analysis. ResultsThe final form was completed by 110 chronic neck pain patients (Male: 33; mean ages: 43.13 ± 13.75 years, Female: 77; mean ages: 44.45 ± 14.38). Test-retest reliability of patient-specific functional scale was found good level (ICC: 0.85). The relationship between patient-specific functional scale and neck disability index was found moderate level (P < 0.05, rho: –0.578). The median score of PSFS-T in the low disability group was significantly higher than the high disability group in the hypothesis testing of construct validity (P < 0.001).ConclusionThe Turkish version of the patient-specific functional scale is a valid and reliable scale for evaluating functional status in patients with chronic neck pain.
Highlights
Neck pain is a widespread problem which affects between 30%–50% of general population in a certain period of their lives [1]
Materials and methods: Translation and adaptation process had conducted according to the Beaton et al Sociodemographic data, Turkish version of patient-specific functional scale and neck disability index were recorded at the initial assessment
The final form was completed by 110 chronic neck pain patients (Male: 33; mean ages: 43.13 ± 13.75 years, Female: 77; mean ages: 44.45 ± 14.38)
Summary
Neck pain is a widespread problem which affects between 30%–50% of general population in a certain period of their lives [1]. Older age, high job demands, smoking history, low social/work support and prior history of low back pain were reported as risk factors of chronic neck pain [2,3,4]. Neck pain patients suffer from recurrent pain and this process is commonly become chronic. The latest recommendations of the International Association for the Study of Pain about the management of chronic pain has been highlighted the importance of patientspecific self-reports during the evaluation [5]. Turk et al has been reviewed that biopsychosocial and behavioral factors are the key points for the assessment of the chronic pain. Rehabilitation assessments seem to be shifting from traditional evaluations to a more
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