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Inter-rater Agreement for Movement Disorder Classification in Children with Hyperkinetic Movement Disorders
Sanem Yilmaz1, Jennifer Vermilion2, Shannon Dean2
1Division of Pediatric Neurology, Department of Pediatrics, Ege University Faculty of Medicine, Izmir, Turkiye.
Insights
Pediatric neurologists showed low agreement classifying childhood movement disorders (MD), even with expertise. This highlights the need for standardized diagnostic criteria for these complex neurological conditions.
Area of Science:
- Pediatric Neurology
- Movement Disorders
- Clinical Diagnostics
Background:
- Accurate classification of childhood movement disorders (MD) is crucial for effective management.
- The frequent co-occurrence of multiple MDs presents a significant diagnostic challenge.
Purpose of the Study:
- To evaluate the inter-rater reliability among pediatric neurologists in classifying hyperkinetic movement disorders.
- To identify challenges in diagnosing complex pediatric movement disorders.
Main Methods:
- Five pediatric neurologists reviewed 112 videos from 66 pediatric patients.
- The Movement Disorder-Childhood Rating Scale was used to assess the presence and type of MDs.
- Specific queries addressed the existence of single versus multiple MDs and their classification.
Main Results:
- Inter-rater agreement varied, with 57.5% for identifying multiple MDs and 66.6% for classifying the predominant MD.
- Absolute agreement across all queries was only 43.9%.
- Videos with absolute agreement predominantly featured a single MD, while those with multiple MDs showed lower consensus.
Conclusions:
- Significant discordance exists in the classification of childhood movement disorders, even among specialists.
- There is a clear need for standardized diagnostic tools and approaches for pediatric MDs.
Background:
Accurate classification is essential for addressing childhood movement disorders (MD), but the common coexistence of multiple MDs complicates this process.
Objective:
The aim was to assess inter-rater agreement on classifying hyperkinetic MDs among pediatric neurologists with expertise in MDs.
Methods:
Five pediatric neurologists were requested to examine 112 videos of 66 pediatric patients. Based on the Movement Disorder-Childhood Rating Scale, 3 queries were posed: (Q1) Is there more than 1 MD? (Q2) What is the (predominant) MD? (Q3) What is the other MD (if present)?
Results:
The final agreement rates were 57.5% for Q1, 66.6% for Q2, and 43.9% for absolute agreement. All videos with absolute agreement at the first evaluation featured 1 MD, whereas only 2 videos with multiple MDs could totally agree in the final review.
Conclusions:
This study reveals significant discordance in classification even among pediatric neurologists with expertise in MDs and highlights the necessity for a standardized approach.
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