A
system and method for building and / or manipulating a centralized medical image quantitative information
database aid in diagnosing diseases, identifying
prevalence of diseases, and analyzing market penetration data and
efficacy of different drugs. In one embodiment, the diseases are bone-related, such as
osteoporosis and
osteoarthritis. Subjects' medical images, personal and treatment information are obtained at information collection terminals, for example, at medical and / or dental facilities, and are transferred to a
central database, either directly or through a
system server. Quantitative information is derived from the medical images, and stored in a
central database, associated with subjects' personal and treatment information. Authorized users, such as medical officials and / or pharmaceutical companies, can access the
database, either directly or through the central
server, to diagnose diseases and perform
statistical analysis on the stored data. Decisions can be made regarding marketing of drugs for treating the diseases in question, based on analysis of
efficacy, market penetration, and performance of competitive drugs.