Frailty Index as An Indicator Associated With Postoperative Adverse Outcomes In The Older Population

This study is a observational study in China, which aims to explore the predictive effect of preoperative frailty defined by the modified frailty index in predicting postoperative survival and complications in elderly patients. The objectives of the study include: 1\. To demonstrate that the frailty scale can predict short- and long-term survival after surgery in elderly surgical patients; 2 Demonstrated that frailty as defined by this scale is associated with postoperative complications in older patients