Research Article
Childhood Asthma Utilization Rates in a Nonsmoking Population of Utah Compared to State and National Rates
Table 4
Age-specific asthma services prevalence per 1000 and rate ratios for the DMBAa and United Statesb, 1997–2002.
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aDMBA prevalence was determined by dividing all individuals with an asthma claim (ICD-9 codes 493.00–493.99) by the population of those less than18 years of age in that year. bNational Health Interview Survey. |