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. 2022 Aug 15;226(Suppl 2):S184–S194. doi: 10.1093/infdis/jiac155

Figure 2.

Figure 2.

Respiratory syncytial virus (RSV) (A) and bronchiolitis (B) emergency department (ED) visit burden proportions and rates per 1000 live births by admission year, United States infants aged <1 year, Nationwide Emergency Department Sample, 2011–2019. To calculate proportions (%), the total number of infant ED visits in that year was used as the denominator. RSV and bronchiolitis were defined by International Classification of Diseases, Ninth and Tenth Revision (ICD-9 and ICD-10) diagnosis codes: RSV (ICD-9: 079.6, 466.11, 480.1; ICD-10: B97.4, J12.1, J20.5, J21.0); bronchiolitis (RSV codes plus unspecified bronchiolitis: ICD-9: 079.6, 466.11, 466.19, 480.1; ICD-10: B97.4, J12.1, J20.5, J21.0, J21.8, J21.9). Excludes newborn birth hospitalizations (ICD-9: V30.XX–V39.XX; ICD-10: Z38.XX).