The main endpoint of the study was the duration of hospitalization, and secondary endpoints were the Preschool Respiratory Assessment Measure (PRAM) score, albuterol use, and a 7-day symptom score.

• 此研究的主要终点是住院治疗的时间，而次级终点是学龄前儿童呼吸功能评估标准的评分、沙丁胺醇的应用和一个7天症状评分。