Additional file 7.

Impact of embolic protection devices combined versus control on mortality using the maximal duration of followup in patients with ST- segment elevation myocardial infarction. Figure of the Impact of embolic protection devices combined versus control on mortality using the maximal duration of followup in patients with ST-segment elevation myocardial infarction. The squares represent individual point estimates. The size of the square represents the weight given to each study in the meta-analysis. Horizontal lines through each square represent 95 percent confidence intervals. The diamond represents the combined results. The solid vertical line extending from 1 is the null value.

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Sobieraj et al. BMC Cardiovascular Disorders 2011 11:74   doi:10.1186/1471-2261-11-74