Correction: Using arterial-venous oxygen difference to guide red blood cell transfusion strategy.

Correction to: Critical Care (2020) 24:160 https://doi.org/10.1186/s13054-020-2827-5

In the publication of this article [1], in the Methods Section, there was an error in the following formulae:

and

The correct formulae are:

and

These have now been updated in the original article.

The data calculation used the correct formula.

We regret for any inconvenience that this inaccuracy may have caused.