Correction

The original publication of this article exhibits an error with respect to an introduced patient value found in the first paragraph of the Results section. The correct version can be found below.

Incorrect sentence:

Twelve patients (1 patient in group A, 6 patients in group B) needed the intraoperative transfusion.

Correct sentence:

Seven patients (1 patient in group A, 6 patients in group B) needed the intraoperative transfusion.