Results: impact on morbidity & mortality (3 month comparison periods) Baseline (n=3,760) Checklist (n=3,820) P value Mortality1.5%0.8%- Any complication15.4%10.6%<0.001 Complications/100 cases27.3%16.7%<0.001 Use of the checklist was associated with a significant reduction in complication rates for 10 of the 12 (82%) event categories in the study