SORT (Surgical Outcome Risk Tool) 30-Day Mortality

Estimates 30-day mortality after inpatient non-cardiac, non-neurosurgical surgery in adults from preoperative physical status, urgency, severity, specialty, malignancy, and age band, to support perioperative shared decision-making.

ASA-PS physical status grade

Urgency of surgery

High-risk surgical specialty (gastrointestinal, thoracic, or vascular)

Surgical severity grade

Surgery for malignancy (cancer)

Patient age band