Surgical Start Time and Prognosis

Association Between Surgical Start Time and Postoperative Mortality, Morbidity, and Healthcare Utilization in Elective Non-cardiac Surgeries: a Retrospective, Single-center Study Using Propensity Score Matching

Surgical start times significantly impacted mortality, morbidity, and resource utilization, particularly in high-risk patients.

Inclusion Criteria:

• Patients aged 18 years or older
• Patients who underwent non-cardiac surgery

Exclusion Criteria:

• Emergency surgeries
• Cadaver surgeries
• Transplantation surgeries
• Patients with incomplete or missing data, such as follow-up information, operation start times, or laboratory values