If the sensitivity of the system is indeed low can the data

If the sensitivity of the system is indeed low, can the data set still be used to describe the trends?

Solution

Yes, the sensitivity of a surveillance system data of epidemics can be used to describe monitoring trends even if the sensitivity of the system is indeed low, as long as the sensitivity remains constant. The alternations in sensitivity is mainly happen when increased awareness of a health related disorder or any change in method of performing surveillance