Systematic Reviews
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Jul 27, 2023; 15(7): 1485-1500
Published online Jul 27, 2023. doi: 10.4240/wjgs.v15.i7.1485
Figure 2
Figure 2 External validation status of combined and intraoperative models. POSSUM: Physiological and operative severity score for the enumeration of mortality and morbidity; P-POSSUM: Portsmouth physiological and operative severity score for the enumeration of mortality and morbidity; O-POSSUM: Oesophagogastric physiological and operative severity score for the enumeration of mortality and morbidity; E-PASS: Estimation of physiologic ability and surgical stress; SAS: Surgical Apgar score; eSAS: Esophagectomy surgical Apgar score; IPF: Intraoperative factors.