Tags

Type your tag names separated by a space and hit enter

The functional rating index: reliability and validity of the Persian language version in patients with low back pain.
Spine (Phila Pa 1976). 2011 Nov 15; 36(24):E1573-7.S

Abstract

STUDY DESIGN

Crosscultural adaptation and psychometric measurements of the Functional Rating Index (FRI).

OBJECTIVE

To develop and investigate the reliability and validity of the Persian version of the FRI when applied to patients with low back pain (LBP).

SUMMARY OF BACKGROUND DATA

The FRI is a self-report questionnaire designed to assess patient's perception of function and pain. Despite the use of this outcome measure in clinical trials in Iran, it was not translated and culturally adapted.

METHODS

The FRI was translated into Persian language and crossculturally adapted. The Persian FRI was administered to 100 patients with LBP (male patients/female patients = 22/78). A numerical rating scale, the Roland-Morris Disability Questionnaire, the Oswestry Disability Questionnaire, and the Quebec Back Pain Disability Scale were also recorded. The test-retest reliability (time interval = 7 days) was assessed in 50 patients.

RESULTS

There were no missing responses and floor or ceiling effects. The examination of discriminative validity showed that the questionnaire discriminated clearly between patients and healthy participants (P < 0.001). The concurrent criterion validity was confirmed by the Spearman rank correlation between the Persian FRI and the numerical rating scale (0.73, P < 0.0001 for test; and 0.77 for retest, P < 0.0001). Evidence for construct validity was found with a significant Pearson correlation between the FRI and the Roland-Morris Disability Questionnaire (r = 0.61; P < 0.0001), the Oswestry Disability Questionnaire (r = 0.75; P < 0.0001), or Quebec Back Pain Disability Scale (r = 0.76; P < 0.0001). Internal consistency reliability estimates (Cronbach α) for the Persian FRI were high, with 0.89 for test and 0.92 for retest. The test-retest reliability for the total score was excellent with an intraclass correlation coefficient (agreement) (ICCagreement) of 0.81 (P < 0.0001).

CONCLUSION

The Persian version of the FRI seems to have an excellent reliability and validity when applied to patients with LBP.

Authors+Show Affiliations

Faculty of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran. nakhostin@sina.tums.ac.irNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Validation Study

Language

eng

PubMed ID

21270679

Citation

Ansari, Noureddin Nakhostin, et al. "The Functional Rating Index: Reliability and Validity of the Persian Language Version in Patients With Low Back Pain." Spine, vol. 36, no. 24, 2011, pp. E1573-7.
Ansari NN, Feise RJ, Naghdi S, et al. The functional rating index: reliability and validity of the Persian language version in patients with low back pain. Spine (Phila Pa 1976). 2011;36(24):E1573-7.
Ansari, N. N., Feise, R. J., Naghdi, S., Ebadi, S., & Yoosefinejad, A. K. (2011). The functional rating index: reliability and validity of the Persian language version in patients with low back pain. Spine, 36(24), E1573-7. https://doi.org/10.1097/BRS.0b013e3182103282
Ansari NN, et al. The Functional Rating Index: Reliability and Validity of the Persian Language Version in Patients With Low Back Pain. Spine (Phila Pa 1976). 2011 Nov 15;36(24):E1573-7. PubMed PMID: 21270679.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The functional rating index: reliability and validity of the Persian language version in patients with low back pain. AU - Ansari,Noureddin Nakhostin, AU - Feise,Ronald J, AU - Naghdi,Soofia, AU - Ebadi,Safoora, AU - Yoosefinejad,Amin Kordi, PY - 2011/1/29/entrez PY - 2011/1/29/pubmed PY - 2012/3/17/medline SP - E1573 EP - 7 JF - Spine JO - Spine (Phila Pa 1976) VL - 36 IS - 24 N2 - STUDY DESIGN: Crosscultural adaptation and psychometric measurements of the Functional Rating Index (FRI). OBJECTIVE: To develop and investigate the reliability and validity of the Persian version of the FRI when applied to patients with low back pain (LBP). SUMMARY OF BACKGROUND DATA: The FRI is a self-report questionnaire designed to assess patient's perception of function and pain. Despite the use of this outcome measure in clinical trials in Iran, it was not translated and culturally adapted. METHODS: The FRI was translated into Persian language and crossculturally adapted. The Persian FRI was administered to 100 patients with LBP (male patients/female patients = 22/78). A numerical rating scale, the Roland-Morris Disability Questionnaire, the Oswestry Disability Questionnaire, and the Quebec Back Pain Disability Scale were also recorded. The test-retest reliability (time interval = 7 days) was assessed in 50 patients. RESULTS: There were no missing responses and floor or ceiling effects. The examination of discriminative validity showed that the questionnaire discriminated clearly between patients and healthy participants (P < 0.001). The concurrent criterion validity was confirmed by the Spearman rank correlation between the Persian FRI and the numerical rating scale (0.73, P < 0.0001 for test; and 0.77 for retest, P < 0.0001). Evidence for construct validity was found with a significant Pearson correlation between the FRI and the Roland-Morris Disability Questionnaire (r = 0.61; P < 0.0001), the Oswestry Disability Questionnaire (r = 0.75; P < 0.0001), or Quebec Back Pain Disability Scale (r = 0.76; P < 0.0001). Internal consistency reliability estimates (Cronbach α) for the Persian FRI were high, with 0.89 for test and 0.92 for retest. The test-retest reliability for the total score was excellent with an intraclass correlation coefficient (agreement) (ICCagreement) of 0.81 (P < 0.0001). CONCLUSION: The Persian version of the FRI seems to have an excellent reliability and validity when applied to patients with LBP. SN - 1528-1159 UR - https://www.unboundmedicine.com/medline/citation/21270679/The_functional_rating_index:_reliability_and_validity_of_the_Persian_language_version_in_patients_with_low_back_pain_ L2 - https://doi.org/10.1097/BRS.0b013e3182103282 DB - PRIME DP - Unbound Medicine ER -