Andrew S Coco1. 1. Von Hess Healthcare Research Center, Family and Community Medicine, Lancaster General Hospital, Lancaster, PA 17604-3555, USA. ascoco@lancastergeneral.org
Abstract
PURPOSE: This study evaluated the costs and utility of observation and routine antibiotic treatment options for children with acute otitis media. METHODS: The cost-effectiveness analysis was performed among children aged 6 months to 12 years seen in primary care offices. The interventions studied were watchful waiting as practiced in the Netherlands, delayed prescription, 5 days of amoxicillin, and 7 to 10 days of amoxicillin. The main outcome measure was cost per quality-adjusted life-year (QALY). RESULTS: In the base case analysis, delayed prescription was the least costly option and 7 to 10 days of amoxicillin was the most effective. The incremental cost utility ratio (ICUR) of 7 to 10 days of amoxicillin compared with delayed prescription was 56,000 dollars per QALY gained. Watchful waiting and 5 days of amoxicillin were inferior options. The results were sensitive to the rate of nonattendance in the delayed prescription strategy: when the rate was less than 23%, watchful waiting was the least costly option and delayed prescription was an inferior option. Probabilistic sensitivity analysis, in which all model variables were simultaneously varied, showed with 95% certainty that compared with delayed prescription, 7 to 10 days of amoxicillin had a 61% probability of having an ICUR of greater than 50,000 dollars per QALY gained, and watchful waiting had a 23% probability of having an ICUR of less than 50,000 dollars per QALY gained. CONCLUSIONS: Economically, an approach to the treatment of acute otitis media with either an initial period of observation or routine treatment with amoxicillin is reasonable.
PURPOSE: This study evaluated the costs and utility of observation and routine antibiotic treatment options for children with acute otitis media. METHODS: The cost-effectiveness analysis was performed among children aged 6 months to 12 years seen in primary care offices. The interventions studied were watchful waiting as practiced in the Netherlands, delayed prescription, 5 days of amoxicillin, and 7 to 10 days of amoxicillin. The main outcome measure was cost per quality-adjusted life-year (QALY). RESULTS: In the base case analysis, delayed prescription was the least costly option and 7 to 10 days of amoxicillin was the most effective. The incremental cost utility ratio (ICUR) of 7 to 10 days of amoxicillin compared with delayed prescription was 56,000 dollars per QALY gained. Watchful waiting and 5 days of amoxicillin were inferior options. The results were sensitive to the rate of nonattendance in the delayed prescription strategy: when the rate was less than 23%, watchful waiting was the least costly option and delayed prescription was an inferior option. Probabilistic sensitivity analysis, in which all model variables were simultaneously varied, showed with 95% certainty that compared with delayed prescription, 7 to 10 days of amoxicillin had a 61% probability of having an ICUR of greater than 50,000 dollars per QALY gained, and watchful waiting had a 23% probability of having an ICUR of less than 50,000 dollars per QALY gained. CONCLUSIONS: Economically, an approach to the treatment of acute otitis media with either an initial period of observation or routine treatment with amoxicillin is reasonable.
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