Extraction of data, outcome measuring, and quality assessment
blood loss, intraoperative blood loss
BLOOD LOSS, INTRAOPERATIVE BLOOD LOSS
On the morning of surgery and on postoperative days one, three and five, routine blood tests and assessments of CRP, D-dimer, and interleukin-6 were performed. The researchers involved in data collection were blinded to the patients’ intervention plans.There were four primary outcomes: total blood loss (TBL), HBL, intraoperative blood loss (IBL), and blood transfusion, in which the TBL and HBL were calculated according to the Gross equation [