Heterogenous treatment effects of transfusion thresholds by patient age: Post-hoc analysis of the TRISS trial.

In this post-hoc study of ICU patients with septic shock, we found no reliable heterogeneous effects of transfusion at a Hb threshold of 7 vs 9 g/dl according to patient age on mortality. However, due to low power, this study should only be considered as hypothesis generating.