Prevalence of persistent asthma (ages 5-45 years)
Individuals who defined as persistent asthma patients (by medications and diagnoses) according to thedispense of at least 8 prescriptions of asthma medications in the last two years (numerator), among Individuals aged 5-45 (denominator)
Asthma is one of the most common chronic respiratory diseases. Despite an observed decline in asthma complications in developed countries over the past decade, the condition is associated with an unacceptable burden for patients, families and health care systems. Moreover most asthma associated mortality is preventable with proper management. Regular daily controller therapy is considered the mainstay of persistent asthma management and reduces the risk of complications, including exacerbation, hospitalization, and mortality . Overuse of reliever medications (primarily inhaled short acting beta agonists) indicates inadequate control and is associated with adverse outcome .
Individuals in the denominator who fulfilled at least one the following criteria in the measurement year and in the year prior to the measurement year:
1. The patient was dispensed at least four prescriptions of asthma medications per year.
2. The patient was dispensed at least two prescriptions of asthma medication and also had at least four outpatients visits with asthma diagnosis per year.
Individuals aged 5-45
 “Asthma: diagnosis, monitoring and chronic asthma management”, NICE guideline [NG80], 2017 [Online]. Available: [Accessed: 27-Feb-2018]
 National Quality Measures Clearinghouse (NQMC). Measure summary: Asthma medication ratio. In: National Quality Measures Clearinghouse (NQMC) [Web site]. Rockville (MD): Agency for Healthcare Research and Quality (AHRQ); 2015 Oct 01. Available at: