Data collection
blood loss
BLOOD LOSS
​ Intraoperative data were collected, including the duration of surgery, remifentanil use, total blood loss, hemodynamic parameters, and vasoactive medication dosage. Postoperative data included extubation time, Sedation-Agitation Scale (SAS) score [Intraoperative data were collected by the anesthesiologists and postoperative data were obtained by the trained investigators.