

Gov, and ICTRP between 2009 to January 23, 2020. We searched Medline, PubMed, Embase, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, Emcare Nursing, Web of Science, Scopus, CINAHL, ClinicalTrials. The objective of this systematic review and meta-analysis is to determine whether the comprehensive geriatric care models improved clinical outcomes, particularly in decreasing the prevalence of delirium and length of hospital stay (LOS) in elderly surgical patients.

It is not clear whether the comprehensive geriatric care models are effective in reducing adverse events.

The elderly population is highly susceptible to develop post-operative complications after major surgeries.
