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A.ASA1～2級(jí)，麻醉死亡率近1/10000
B.ASA3級(jí)，麻醉死亡率近28/10000
C.ASA4級(jí)，麻醉死亡率近74/10000
D.ASA5級(jí)，麻醉死亡率近155/10000
E.以上都對(duì)

A.American Societyof Anesthesiologists
B.American Stomatological Association
C.American Surgical Association
D.American Standard Association
E.American Statistical Association