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Table 2 Notifed cases of bacillary tuberculosis in Norway in separate birth cohorts.

From: Evidence for waning of latency in a cohort study of tuberculosis

  Age group
Men 20-29 30-39 40-49 50-59 60-69 70-79
Birth cohort       
   1959-1968 6      
   1949-1958 2.5 3     
   1939-1948 8.5 5 3    
   1929-1938 462 17 11 6   
   1919-1928 2861 752 25 18 11  
   1909-1918   1781 762 32 30 17
   1899-1908    1611 772 58 34
   1889-1898     1341 822 42
   1879-1888       732
Women Age group
   Birth cohort 20-29 30-39 40-49 50-59 60-69 70-79
   1959-1968 1.5      
   1949-1958 2 2     
   1939-1948 5.5 3 2    
   1929-1938 35.52 12 3 4   
   1919-1928 2441 462 18 6 5  
   1909-1918   1281 342 13 9 6
   1899-1908    801 302 19 9
   1889-1898     571 322 18
   1879-1888       252
  1. The data were obtained from the National Tuberculosis Registry and Statistics Norway, and are sorted according to sex and age per 100,000 population in 10 year cohorts. Values represent annual rates of tuberculosis per 100,000 population. By combining the data from the birth cohort and age group it appears that the data are derived from the years 19481, 19582, and similarly from 1968, 1978 and 1988.