Surgical Procedures Predicting Postoperative Outcomes in Elderly Patients with non-Emergency Colorectal Cancer Surgery

Abstract Backgroud: Elderly patients are at an increased risk for morbidity and prolonged hospital stay with non-emergency colorectal cancer surgery. We aimed to determine which surgical procedures would be associated with postoperative morbidity or shorter postoperative hospital stay in elderly colorectal patients. Methods: We performed an observational study of elderly patients, older than 75 years old, treated at a single institution in Shanghai.The postoperative outcomes of our study were incidence of all complications. Odds ratios were estimated by logistic regression models. Postoperative hospital stay was evaluated by negative binomial regression model. Post-estimations were calculated. Results: The cohort consisted of 442 patients. Incidence of postoperative complication was 44.34%. Anastomosis ( OR 0.465; 95%CI 0.241 to 0.897; P = 0.022) was associated with lower incidence of postoperative complications. Patients with laparoscopy had decreased surgery related complications (Adjusted OR, 0.567; 95% CI, 0.331 to 0.972; P = 0.039). Patients with stoma had prolonded hospital stay (IRR 1.172; 95%CI 1.023 to 1.344; P = 0.023). Conclusion: Surgical procedures predict improved postoperative outcomes. Further studies would be warranted.