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In-hospital Health Care Utilization and Hospital Charges for Childhood Asthma Hospitalizations, 2000-2009.
Between 2000 and 2009, use of mechanical ventilation increased (28% increase; Ptrend<.001); use of non-invasive mechanical ventilation also increased (292% increase; Ptrend<.001). The geometric mean of hospital charges per case increased significantly (42% increase; Ptrend<.001), adjusted for inflation.
