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. 2015 Sep 11;94(36):e1465. doi: 10.1097/MD.0000000000001465

FIGURE 3.

FIGURE 3

Meta-regression of perioperative cardiac arrest rate by country's Human Development Index status. Each circle represents a study highlighted by its weight in the analysis. The relationship between perioperative cardiac arrest rate and Human Development Index was significant (slope: −2.4071, 95% confidence interval: −4.0482 to −0.7659; P = 0.005).