Temperature Management on Postoperative Delirium

Inclusion Criteria: * Age ≥ 65 years * Classified as American Society of Anesthesiologists I-III * Hip surgery patients who agreed to the study Exclusion Criteria: * Non-consent to participate * Diagnosed neurological or psychiatric disorders including schizophrenia, epilepsy, Parkinson's disease, or myasthenia gravis * Coma, dementia, or language impairment affecting communication and assessment * History of neurosurgery * Use of antipsychotic medication preoperatively * Body temperature exceeding 38°C within 24 hours before surgery.