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Pre-specified subgroup analysis for the primary end-point: Full Analysis Set. The odds ratios were obtained by means of a logistic regression that included factors for treatment, study site, study period, subgroup, and interaction between treatment and subgroup. For blood institute, study site was not included in the model due to problems with fitting the model. SOC: standard of care; ICU: intensive care unit; ER: emergency room; NC: not calculated.
