Excessive length of stay reduction without adverse effect on quality.
D000368:Aged; D002763:Cholecystectomy / Q000191:economics*; D003363:Cost Control; D006801:Humans; D007902:Length of Stay / Q000191:economics*; D008505:Medical Staff, Hospital / Q000193:education; D008875:Middle Aged; D009518:New York; D011787:Quality of Health Care