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Fig. 1 | BMC Health Services Research

Fig. 1

From: Hospital market concentration and the use of mechanical circulatory support devices in acute myocardial infarction complicated by cardiogenic shock

Fig. 1

Odds Ratio of Herfindal-Hirschman Index (variable radius 75%) by Year. Multivariable mixed effect model for patients with acute myocardial infarction complicated by cardiogenic shock showed that market concentration was a significant predictor of receiving mechanical circulatory support for patients in 2009. Market concentration was not significant for patients in 2003 or 2006

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