It is in the nature of numbers that any database can be rendered inconclusive by excessive subdivision. However, when analysts refrain from such questionable practices, the A-bomb database is a uniquely powerful resource for conclusive human evidence. For instance, in the A-Bomb Study, all the exposed groups received a single acute dose at the same time. Such studies can provide no reliable indication of the latency period or the duration of radiation's carcinogenic effect. By contrast, the A-Bomb Study is capable of revealing, over its course, some valuable information about the duration of the carcinogenic effect, and about minimum, maximum and average latency periods.
Cancers exclude leukemia.
Columns B, C, E, and F come from Table 26-E . Column D comes from Table 9-C , Row 11. Fatal cancers are absolute numbers, not rates per 10,000 initial persons. Column I excludes leukemia. The radiation-sensitivity of the young, not apparent here, becomes clear in Chapter 15 .