Patients
intraoperative massive hemorrhage
DISEASES
A total of 64 pediatric patients were approached for inclusion in the study. The inclusion criteria were as follows: Patients with an American Society of Anesthesiologists status I-II undergoing elective CP resection under GA, younger than 18 years, and completion of preoperative measurement of hormones. The exclusion criteria were as follows: patients or their guardians who refused to participate in the study, patients who were suffering from other diseases that caused hormone abnormity or intraoperative accidences possibly interrupting hormone levels, for example, intraoperative massive hemorrhage.The pediatric patients were divided into two groups at a 1:1 ratio via an SPSS random number generator; the sevoflurane inhalation anesthesia group (S group) and the propofol total intravenous anesthesia group (P group). The allocation was performed by an anesthesiologist who was not involved in the implementation of this study. The group allocation was concealed with sequentially-numbered sealed envelopes and blinded to both the patients and investigators who were responsible for analyzing patient data (