• School of International Pharmaceutical Business, China Pharmaceutical University, Nanjing, 211198, P.R.China;
MA Aixia, Email: ma86128@sina.com
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ObjectivesTo compare the common application methods of meta-analysis results used in economic evaluations so as to provide reference and suggestions for similar economic evaluations in future.MethodsFour methods were used to calculate the effectiveness deriving from meta-analysis of omeprazole and esomeprazole in the treatment of peptic ulcer, then substituted into the decision tree model to perform cost-effectiveness analysis.ResultsMethod 1 used the risk difference as the incremental effectiveness. The ICER was ¥2 420, and the equal probability point of the cost-effectiveness acceptability curve (CEAC) in the probability sensitivity analysis was approximately ¥2 600. Method 2 used the effective rate of the study group in high-quality literatures as the benchmark, calculated the effective rate of the control group according to the RR. The ICER was ¥2 016, and the equal probability point of the CEAC was approximately¥2 000. Method 3 was based on the effective rate of the control group in high-quality literatures to calculate the effective rate of the study group according to RR. The ICER was ¥2 420 and the equal probability point of the CEAC was approximately¥2 200; Method 4 used literature weights to calculate the effectiveness, the ICER is ¥2 420, and the equal probability point of the CEAC was about ¥2 400.ConclusionsThe results of the four methods share little difference, and the sensitivity analysis results show that the base case analysis results are more robust. However, in the application process, method 1 lacks specific effectiveness of the two groups and underestimate the variation range of the effectiveness difference when one-way sensitivity analysis was performed. Relevant assumptions are further required to limit the possibility of effectiveness calculated greater than 1 in sensitivity analysis among method 2 and 3. Comprehensively, method 4 can be recommended in the economic evaluations for fewer defects of calculating effectiveness.

Citation: GUAN Xin, LI Hongchao, YAO Jiaqi, LIANG Wenyan, MA Aixia. Comparison and selection of application methods of meta-analysis results in economic evaluations. Chinese Journal of Evidence-Based Medicine, 2018, 18(11): 1224-1231. doi: 10.7507/1672-2531.201807133 Copy

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