Disease diagnosis step
The system made the question to the user to specify the
certainty factor of symptom occurred (in percentage) which
the user specified in the screening step and also was
symptom of possible diseases. The user interface for
specifying the certainty factor of symptom and viewing the
co-information is shown in fig.7. In addition, the system
made the question to the user to specify more symptoms
which the user did not yet specify. The question was sorted
by symptoms sequence of disease. If the user found the
symptom, let the user specify the certainty factor of
occurred symptom. The example of the question to the user
to specify more symptoms is shown in fig.8.