... variables measured at day1,day6,andthechangeinvaluebetweenday1and6.Stata 9.0 (StataCorp, College Station, Texas) computersoftware was used for statistical analysis. All intervaldata in tables ... Ireland.3Department of Medicine, William Osler Health Centre, Toronto, Canada.4Department of Anesthesia, University of California, San Francisco at SanFrancisco General Hospital, San Francisco ... figures and wrote the manuscript. HJ and ME helped with the statisticalanalysis. RK and MAM oversaw the research, helped analyzed the data andedit the manuscript. All authors have read and have approved...