Stephanie J Mitchell1, Andrew L Bilderback2, Sande O Okelo3. 1. Nashville, Tenn. 2. UPMC Center for Quality, Safety and Innovation, Pittsburgh, Pa. 3. Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, Calif. Electronic address: sokelo@mednet.ucla.edu.
Abstract
OBJECTIVE: To elucidate whether there may be a higher morbidity threshold for African American versus white children to be referred to or seek asthma specialist care. METHODS: Secondary analysis of registry data captured from children presenting for an initial routine outpatient asthma consultation. Parents completed standard survey instruments, and spirometry was conducted when deemed appropriate by the provider. RESULTS: Wilcoxon rank sum tests revealed that African American patients had been hospitalized twice as often and admitted to the intensive care unit or intubated significantly more than 1½ times more frequently than their white patient counterparts. t tests indicated African American patients' forced expiratory volume in 1 second (FEV1) percentage predicted was significantly worse than that of whites, but there was no significant difference for FEV1/forced vital capacity ratio. t tests suggested that African American patients had statistically worse asthma control than did white patients at the time of initial presentation to the pulmonologist, but there was no difference in the distribution of asthma severity categories. Multivariate regression models indicated that racial differences in parent education did not explain the disparities in asthma morbidity. CONCLUSIONS: African American patients had significantly worse asthma morbidity than their white counterparts, including higher rates of hospitalization and intensive care unit admission and poorer lung functioning. Given that receipt of asthma specialist care can improve those outcomes that are disparately experienced by African American children, methods of increasing their access to and use of asthma specialist care need to be developed.
OBJECTIVE: To elucidate whether there may be a higher morbidity threshold for African American versus white children to be referred to or seek asthma specialist care. METHODS: Secondary analysis of registry data captured from children presenting for an initial routine outpatientasthma consultation. Parents completed standard survey instruments, and spirometry was conducted when deemed appropriate by the provider. RESULTS: Wilcoxon rank sum tests revealed that African American patients had been hospitalized twice as often and admitted to the intensive care unit or intubated significantly more than 1½ times more frequently than their white patient counterparts. t tests indicated African American patients' forced expiratory volume in 1 second (FEV1) percentage predicted was significantly worse than that of whites, but there was no significant difference for FEV1/forced vital capacity ratio. t tests suggested that African American patients had statistically worse asthma control than did white patients at the time of initial presentation to the pulmonologist, but there was no difference in the distribution of asthma severity categories. Multivariate regression models indicated that racial differences in parent education did not explain the disparities in asthma morbidity. CONCLUSIONS: African American patients had significantly worse asthma morbidity than their white counterparts, including higher rates of hospitalization and intensive care unit admission and poorer lung functioning. Given that receipt of asthma specialist care can improve those outcomes that are disparately experienced by African American children, methods of increasing their access to and use of asthma specialist care need to be developed.
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