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Effect of body mass index on early outcomes in patients undergoing coronary artery bypass surgery

Barnaby C. Reeves, DPhil^*, Raimondo Ascione, MD, Martin H. Chamberlain, FRCS and Gianni D. Angelini, FRCS^,*

^* Health Services Research Unit, London School of Hygiene & Tropical Medicine, London, England, United Kingdom
Bristol Heart Institute, University of Bristol, Bristol, England, United Kingdom

View larger version (45K): [in a new window]   Figure 1 The effect of body mass index (BMI) on perioperative death, postoperative complications, and postoperative blood loss following coronary artery bypass grafting. Unadjusted (closed circles) and adjusted (open circles) odds ratios and 95% confidence intervals for underweight and overweight groups of increasing BMI compared with a normal weight group. *For hospital death, the two highest BMI categories were combined for analysis.

View larger version (27K): [in a new window]   Figure 2 The effect of body mass index (BMI) on markers of delayed postoperative recovery following coronary artery bypass grafting. Unadjusted (closed circle) and adjusted (open circle) odds ratios and 95% confidence intervals for underweight and overweight groups of increasing BMI compared with a normal weight group.