Figure 24-2 Relationship between the American Society of Anesthesiologists (ASA) physical status classification and perioperative mortality (within 2 days of surgery) related to anesthesia provided in urban and suburban institutions. (Adapted from Lagasse RS: Anesthesia safety: Model or myth? A review of the published literature and analysis of current original data. Anesthesiology 97:1609, 2002.)


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