Population - based registries are better than hospital -based registries because they ?
Ans. is 'a, b & c' i.e., May be used for etiological studies 'b' i.e., Help in assesing the effectiveness of control programme & 'c' i.e., Measure the burden of disease in a defined population The cancer registry is an organization for the systematic collection, storage, analysis, interpretation and repoing of data on subjects with cancer. There are two main types of cancer registry : hospital - based and population based cancer registries.
May be used for etiological studies
Help in assesing the effectiveness of control programme
Measure the burden of disease in a defined population
All of these