Changes of Ciprofol Dosage and Bispectral Index Required for Loss of Consciousness in Patients of Different Ages

Inclusion Criteria: * 1\) The ASA classification I-II 2) BMI range: 18.5 \< BMI ≤ 24.9 kg/m² 3) Scheduled for elective general anesthesia surgery 4) Signed informed consent by the patient or legal guardian Exclusion Criteria: * 1\) Patients with central nervous system disorders or using medications affecting the central nervous system 2) Patients with cardiac, hepatic, pulmonary, or renal dysfunction 3) History of alcohol or drug abuse 4) Allergy to the study drug 5) Patients with hematologic or metabolic diseases 6) Participation in other drug clinical trials within the past 4 weeks 7) Refusal to participate in the study