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Randomized Controlled Trial
. 2013 Mar;131(3):e709-17.
doi: 10.1542/peds.2012-1883. Epub 2013 Feb 11.

Cost-effectiveness of the School-Based Asthma Therapy (SBAT) program

Katia Noyes  1 , Alina Bajorska, Susan Fisher, Joseph Sauer, Maria Fagnano, Jill S Halterman
Affiliations
Randomized Controlled Trial

Cost-effectiveness of the School-Based Asthma Therapy (SBAT) program

Katia Noyes et al. Pediatrics. 2013 Mar.

Abstract

Background and objective: Impoverished urban children suffer disproportionately from asthma and underuse preventive asthma medications. The objective of this study was to examine cost-effectiveness (CE) of the School-Based Asthma Therapy (SBAT) program compared with usual care (UC).

Methods: The analysis was based on the SBAT trial, including 525 children aged 3 to 10 years attending urban preschool or elementary school who were randomized to either UC or administration of 1 dose of preventive asthma medication at school by the school nurse each school day. The primary outcome was the mean number of symptom-free days (SFDs). The impact of the intervention on medical costs was estimated by using parent-reported child health services utilization data and average national reimbursement rates. We estimated the cost of running the program using wages for program staff. Productivity costs were estimated by using value of parent lost time due to child illness. CE of the SBAT program compared with UC was evaluated based on the incremental CE ratio.

Results: The health benefit of the intervention was equal to ∼158 SFD gained per each 30-day period (P < .05) per 100 children. The programmatic expenses summed to an extra $4822 per 100 children per month. The net saving due to the intervention (reduction in medical costs and parental productivity, and improvement in school attendance) was $3240, resulting in the incremental cost-savings difference of $1583 and CE of $10 per 1 extra SFD gained.

Conclusions: The SBAT was effective and cost-effective in reducing symptoms in urban children with asthma compared with other existing programs.

Trial registration: ClinicalTrials.gov NCT01175369.

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Figures

FIGURE 1
FIGURE 1
A, CE acceptability curves for all asthma patients. B, Patients with persistent asthma only. CE acceptability curves present probability of SBAT being cost-effective at various values of 1 SFD. NMB, incremental net monetary benefit, the difference between the benefit of the SBAT expressed in monetary terms and the cost of the intervention.
FIGURE 2
FIGURE 2
Study flowchart. The chart explains the differences between the clinical trial sample and patients and observations included in the CE analysis.
See this image and copyright information in PMC

Comment in

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