Of 629 deaths verified and recorded among a sample of 1,849 households incorporating some 12,801 people at the time of the survey, 13% took place in the 14 months before the invasion and 87% in the 40 months afterwards. "The study population at the beginning of the recall period (January 1, 2002) was calculated to be 11 956, and a total of 1474 births and 629 deaths were reported during the study period."[1]