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Table 3 American Society of Anesthesiologist (ASA) Score

From: A comparison of perioperative outcomes of Video-Assisted Thoracic Surgical (VATS) Lobectomy with open thoracotomy and lobectomy: Results of an analysis using propensity score based weighting

Class 1 Healthy patient, no medical problems
Class 2 Mild systemic disease
Class 3 Severe systemic disease, but not incapacitating
Class 4 Severe systemic disease that is a constant threat to life
Class 5 Moribund, not expected to live 24 hours irrespective of operation
An e is added to the status number to designate an emergency operation.
An organ donor is usually designated as Class 6