One study found a VCD incidence rate 2% of patients whose primary complaint was either asthma or dyspnea, while others have reported VCD incidence rates of 40% among adults with refractory asthma and 14% among children with the same complaint.
One study found a VCD incidence rate 2% of patients. Patients's primary was either asthma or dyspnea. Others have reported VCD incidence rates of 40% among adults with refractory asthma among children with the same complaint. Others have reported VCD incidence rates of 40% among adults with 14% among children with the same complaint.