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Examples of the four patterns of the distribution of the frequency of using ineffective interventions in patients.

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posted on 2013-03-22, 23:36 authored by Xiao-Min Luo, Jin-Ling Tang, Yong-Hua Hu, Li-Ming Li, Yan-Ling Wang, Wei-Zhong Wang, Li Yang, Xiao-hui Ouyang, Guang-cai Duan

Panel A: Almost always used: Nitrates on top of thrombolysis in acute myocardial infarction to reduce the mortality; Panel B: Rarely used: Hormone replacement therapy in menopausal women for secondary prevention of cardiovascular events; Panel C: Use sharply divided: H pylori eradication in H pylori positive people with gastro-oesophageal reflux disease; Panel D: No consensus on use: Calcium channel blockers for secondary prevention of ischeamic cardiovascular events.