The relationship between preoperative blood pressure during anesthetic examinations and pre-intubation blood pressure.

"Declarations Ethics approval and consent to participateThe authors obtained approval from the Gunma University Ethical Review Board for Medical Research Involving Human Subjects, Gunma University, Gunma prefecture, Japan (HS2022-071) and registered the study protocol at UMIN-CTR, Japan (#000050350). All participants provided written informed consent to participate in this study. This study complies with the Declaration of Helsinki. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was supported in part by a grant to Dr. Kadoi (No. 23K08400) from the Japanese Ministry of Education, Culture, Sports, Science and Technology."