Purpose: To determine whether asymmetry scores derived from the Hammersmith Infant Neurological Examination (HINE) can provide cutoff scores for recommending in-depth assessment of upper extremity functional deficits by therapists using the Hand Assessment for Infants (HAI).
Methods: Observational study in a clinical laboratory with the HINE and the HAI administered concurrently to 101 infants 3 to 12 months corrected age developing typically or atypically. Predictive value of HINE asymmetry scores for atypical HAI was determined.
Results: Total HINE asymmetry scores of 4 or greater had 100% sensitivity and 88% or greater specificity for identifying infants with an asymmetric HAI score of 3 or greater point difference between hands.
Conclusions: For infants receiving a total HINE asymmetry score of 4 or greater, referral to therapists for HAI assessment may be beneficial to precisely evaluate function and determine the need for targeted upper extremity interventions.
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