Etiology of Out-of-Hospital Cardiac Arrest Among Patients Presenting to the Emergency Department of a Tertiary Care Hospital in Bhutan: A Prospective Cohort Study.

Although patients referred from peripheral hospitals were less likely to have no identifiable etiology after the available evaluation in the univariable analysis (cOR: 0.22; 95% CI: 0.06–0.89; p = 0.035), this association was attenuated, after adjustment it did not reach statistical significance (aOR: 0.25; 95% CI: 0.06–1.04; p = 0.058) as shown in Table 4 . 4.

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