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Figure 3 | BMC Health Services Research

Figure 3

From: Assessment of surfactant use in preterm infants as a marker of neonatal intensive care unit quality

Figure 3

Association between hospital adjusted rates [(O-E)/N] for surfactant use and mortality. This scatter plot displays hospital adjusted rates [(O-E)/N] of surfactant use on the x-axis and hospital adjusted rates of mortality [(O-E)/N] on the y-axis (note break in y-axis). Although there was an outlier hospital, the overall trend in the plot is consistent with an association between decreasing mortality and increasing surfactant use (Kendall's tau correlation coefficient of 0.37, p = 0.051).

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