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Although there was no statistically significant difference in the control vs. treatment groups, subgroup analysis demonstrated a strong, significant difference between patients with supranormal values of oxygen transport vs. patients with normal levels of DO2. Supranormal values of DO2I, whether self-generated or as a result of treatment, resulted in a statistically significant decrease in mortality rate. This study adds to the weight of evidence that current standard of care of treating critically ill patients to normal DO2I should be reconsidered, and that maximizing to high DO2I might be a more appropriate therapeutic end-point.
Yu et al. (Tue,) studied this question.