Variation in the use of 12-lead electrocardiography for patients with chest pain by emergency medical services in North Carolina.

J Am Heart Assoc · 2013 · PMC3828790 · PMID 23920232

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borderline significantno p-value reported

Hypotension, high pulse rate, transport time, year, level of crew certification, and system ECG capability were all significant predictors ( P <0.05) of ECG utilization in multivariable models; however, hypotension and high pulse rate were only borderline significant since rounded values for the 95% confidence interval included 1 at the lower bound.

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