Table 1 Distribution of the observed cases.

Age at entry into study is given in computed years.

CohortAge at entry into studyMales FemalesNo. reaching
105
CensoredObserved deathsCensoredObserved deaths
189611200 04≥4
189711100 01≥1
189811000 05≥5
189910900 112≥13
190010800 023≥23
190110707 046≥53
1902106017 2134≥153
1903105023 2195≥220
1904105035 5302342
1905105240 10331383
1906105248 19348417
19071051155 40354460
19081051957 106345527
19091052833 219296576
19101056422 423150659
Total 126337 8272546≥3836