The reliability and validity of the Korean version of the spine functional index.
Tae-Sung In
PMID 28626330WHAT IT FOUND
Korean spine questionnaire scores showed very high agreement when repeated after 7 days (0.94 out of 1) and lined up with established back and neck disability scores.
It can help physical therapists rate whole-spine function, but change over time was not tested.
Key findings
01The Korean SFI had test-retest reliability of 0.94 and internal consistency of 0.88.
02The Korean SFI correlated with the RMDQ (r=0.75), NDI (r=0.53), and FRI (r=0.57).
03No ceiling or floor effect was found in the Korean SFI.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Only 60 Korean-speaking outpatients at one orthopedic clinic were studied, so the results may not apply to other populations. All participants had pain for at least 12 months, so it says little about recent spinal problems. Responsiveness to detect changes over time was not assessed.
The easy way to misread this
Do not conclude that the Korean SFI can detect treatment change. It showed reliability and correlations with disability measures, but responsiveness to change over time was not assessed.