Table 1.

Annotated phenotype concept types.

Entity Type	Description
Cause	Any medical problem that contributes to the occurrence of CHF
Risk factors	A condition that increases the chance of a patient having the CHF disease
Sign & symptom	Any observable manifestation of a disease which is experienced by a patient and reported to the physician
Non-traditional risk factor	Conditions associated with abnormalities in kidney functions that put the patient at higher risk of developing "signs & symptoms" and causes of CHF