The prevalence of alcohol and illicit drug use among injured patients presenting to the emergency department of a national hospital in Tanzania: a prospective cohort study.

Although the results did not reach statistical significance, patients who tested positive for multiple substances were more likely to get major surgery than the patients who were positive for a single substance ingestion (RR: 1.2; 95% CI: 0.73 to 1.05); patients with positive isolated alcohol test were less likely to get major surgery than the patients who

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