Reliability and validity of transfer assessment instrument version 3.0 in individuals with acute spinal cord injury in early rehabilitation phase.
Preeti Baghel, Shefali Walia, Majumi M Noohu
PMID 30930583WHAT IT FOUND
The Transfer Assessment Instrument 3.0 consistently rated wheelchair transfers in early spinal cord injury rehab.
Raters agreed closely on scores, and the tool aligned with overall transfer quality judgments. Use it to standardize transfer evaluation and identify techniques risking upper limb injury.
Key findings
01TAI 3.0 showed high reliability, with intrarater ICCs of 0.93 to 0.98 and interrater ICCs of 0.98 to 0.99.
02The tool demonstrated strong convergent validity, correlating with global transfer assessments at 0.88 to 0.90.
03A change of at least 0.86 points on the TAI 3.0 score is needed to confirm a true difference in transfer skill rather than measurement error.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The study included only 30 participants, all from a single center. Participants were in the early rehabilitation phase and performed only independent or assisted sitting pivot transfers, so results do not generalize to all wheelchair users or other transfer types. Convergent validity was assessed against a non-validated global assessment scale because no other validated transfer quality tool exists for this population. Raters received specific training and instructions before scoring, which may have improved consistency more than typical clinical practice would.
Declared interests
The authors declared no conflicts of interest. The study received no external funding and was supported by the Indian Spinal Injuries Center, New Delhi, by providing space.
The easy way to misread this
Do not assume the TAI 3.0 is validated for all wheelchair users or all transfer types. The study only included individuals with acute SCI performing sitting pivot transfers in early rehabilitation. Its reliability and validity may differ in chronic SCI, other transfer methods, or other populations.