Department of Anesthesiology The Second Affiliated Hospital of Hainan Medical University Haikou 570311 Hainan Province China;
Department of Anesthesiology Hainan Hospital of Traditional Chinese Medicine Haikou 570203 Hainan Province China;
Department of Anesthesiology Hainan Provincial People’s Hospital Haikou 570000 Hainan Province China;
Department of Anesthesiology The Second Affiliated Hospital of Hainan Medical University Haikou 570311 Hainan Province China;
Department of Anesthesiology The Second Affiliated Hospital of Hainan Medical University Haikou 570311 Hainan Province China;
Anesthesia; Hypotension prediction; Cardiac surgery; Random forest; Machine learning;