Document qdLX0opZjMOMjMJzYKnyBKpOq

,'f.. - 17. utl)riitfu They will he discussed separately Iron thoae Included In the population end time-interval under etudy, . A camperleon of. lung cancer mortality In Uto asbestos-producing t countlee bee been made with that in countle which are far removed from the aebeetoe mlnoe end In which, preeumahly, no aebeetoe mlnore live. <1. Finally, In order, to broadan the comparison of death ratce la dlf- CJ torent population group#, the ratee have been collected lor Canada generally, Hi ted tor the United States, according to tha moot recent published and unpub* iJ Itibed material.- _t Ml M Roiulto and Interoretatlon Jb The cohort which.was constructed according to the criteria described b the procedlng section has been considered Individually and compared with the general population, Description ot the cohort will be presented here as "1 a preface to the results ot the etudy. . Original Cohort Lost Parsons Deducted Final Cohort Living in 1955 (working and retired) Dead by 1955 Cancer of lung Questionable ceiicsr of lung Other causes Unknown causeo Smokers Nonsmoke.rs Unknown 5091 131 5958 5771 167 9 3 169 6 4673 1265 20 0267