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Reliability and validity of Turkish versions of Sciatica Bothersomeness and Sciatica Frequency Index
Journal of Back and Musculoskeletal Rehabilitation
|May 23, 2022
Summary
The Turkish versions of the Sciatica Frequency Index (SFI) and Sciatica Bothersomeness Index (SBI) are reliable and valid tools for assessing sciatica symptoms in patients with lumbar disc herniation (LDH). These indices can now be effectively used in Turkish clinical practice.
Area of Science:
- Orthopedics
- Neurology
- Rehabilitation Medicine
Background:
- Sciatica Frequency Index (SFI) and Sciatica Bothersomeness Index (SBI) measure radiating symptom frequency and bothersomeness.
- No established Turkish scale exists for sciatica assessment.
Purpose of the Study:
- Translate the SFI and SBI into Turkish.
- Evaluate the reliability and validity of the Turkish versions of SFI and SBI.
Main Methods:
- Prospective study of 80 patients with lumbar disc herniation (LDH).
- Assessed construct validity against SF-36, NRS, and RMDQ.
- Evaluated reliability using internal consistency (Cronbach's alpha) and test-retest reliability.
Main Results:
- Moderate correlation found between SBI/SFI and RMDQ/leg NRS.
- High internal consistency for SBI (0.76) and SFI (0.73).
- Excellent test-retest reliability for SBI (0.95) and SFI (0.95).
Conclusions:
- The Turkish SFI/SBI are valid and reliable instruments.
- These tools support the usability of SFI/SBI in Turkish patients with LDH-induced sciatica.
