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KMID : 0191120190340030025
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Journal of Korean Medical Science
2019 Volume.34 No. 3 p.25 ~ p.25
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The Korean Version of the Test for Respiratory and Asthma Control in Kids (TRACK): Reliability and Validity
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Choi Yun-Jung
Jang Gwang-Cheon
Yang Hyeon-Jong
Kim Hyo-Bin
Yoo Young
Shin Mee-Yong
Lee So-Yeon
Kim Ja-Kyoung
Kim Woo-Kyung
Suh Dong-In
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Abstract
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Background: Test for Respiratory and Asthma Control in Kids (TRACK) questionnaires were developed and validated in various languages to monitor respiratory control in preschool-aged children. We aimed to assess the reliability and validity of the Korean version of the TRACK questionnaire.
Methods: We administered the linguistically validated TRACK questionnaires to caregivers of asthmatic preschool children on two separate visits 4?6 weeks apart. Each physician graded the level of the guideline-based asthma control, assessed the timing of symptoms, and adjusted the therapeutic level at each visit.
Results: A total of 137 children were enrolled in the study. Cronbach's alpha was 0.65 for a questionnaire as a whole. The test-retest reliability was 0.72. The median TRACK scores were significantly different between asthma control status categories, with the lowest scores in children classified as poorly controlled and the highest in the well-controlled group (P < 0.001). They were different among groups classified according to the physician adjusted therapeutic levels, with the lowest values in children prescribed step-up therapy (P < 0.001), and according to the recency of respiratory symptoms (P < 0.001). Finally, the changes in TRACK scores between visits were highest in subjects showing improved control, followed by unchanged, and worsened control. When we applied the traditional cut-off of 80 for a well-controlled condition, a sensitivity of 75.6% and a specificity of 70.9% were calculated.
Conclusion: The Korean translated version of the TRACK questionnaire is valid and reliable to assess respiratory and asthma control in Korean preschool children with asthma symptoms.
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KEYWORD
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Asthma, Pediatric, Preschool Children, Questionnaire, Validation Studies
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