Abstract
Purpose: We evaluated the interrater and intrarater reliabilities of the Korean version of the Alberta Infant Motor Scale (K-AIMS). Methods: For the interrater reliability test, six raters participated in the K-AIMS evaluation using video clips of 70 infants (aged between 0 and 18 months). One rater participated in an intrarater reliability test. Among 70 infants, 46 were born preterm and 24 were born full term. A total of 58 AIMS items were evaluated for supine, prone, sitting, and standing positions. A reliability analysis was conducted using ICC and Fleiss’ kappa. Results: The highest Fleiss’ kappa was found for the 4–7 months group for sitting (K = 0.701–1.000) and standing (K = 0.721–1.000), while the lowest K was the 3 months or under group for standing (K = 0.153–1.000). We found higher Fleiss’ kappa statistics when all infants were evaluated without grouping for the three positions (K = 0.727–1.000), except standing (K = 0.192–1.000), for the interrater analysis. Conclusion: Our results demonstrate the good reliability for the Korean version of the AIMS for Korean infants (preterm and full term).
Highlights
Preterm infants are babies defined as born under 37 weeks
Our results demonstrate the good reliability for the Korean version of the Alberta Infant Motor Scale (AIMS) for Korean infants
We evaluated the interrater and intrarater reliabilities of the Korean version of the AIMS (K-AIMS) for each item, subtotal, total scores with six raters using video clips of 70 infants using intraclass correlation coefficient (ICC) and kappa statistics
Summary
Preterm infants are babies defined as born under 37 weeks. Children born preterm often demonstrate significantly poorer motor functions, cognitive outcomes, and language skills during development than those born full term [2]. Preterm infants often demonstrate atypical postures and movements, frequently manifesting as a hyper-extended neck and trunk, because they lack active flexor power compared to full-term infants [3,4]. The alignment of a preterm neonate’s musculoskeletal system while in neonatal intensive care plays a crucial role in determining their later postural shape and motor control [5,6]. Muscle tone, head control, and motor control development, including the lower and upper extremities, can be significantly less developed until the 18 corrected months [7]. Developmental process monitoring is highly recommended, i.e., performing a motor developmental evaluation periodically at the corrected full term, third month, sixth month, ninth month, twelfth month, and eighteenth month [8,9]
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