... 1Research The burden of sepsis-associated mortality in the United States from 1999 to 2005: an analysis of multiple-cause -of- death dataAlexander Melamed1 and Frank J Sorvillo21Keck School of ... contribution to the analysis and interpreta-tion of data for this study. We are also grateful to the Los Angeles County Department of Public Health and to the Department of Preven-tive Medicine of the ... calculation of age-specific rates andratios were: less than 1 year, 1 to 4 years, 5 to 14 years, 15 to 24 years, 25 to 34 years, 35 to 44 years, 45 to 54 years, 55 to 64 years, 65 to 74 years, 75 to...