Table 2.

Predicate groups

Predicate group	Predicates
Physical	part_of, location_of
Interaction	inhibits, stimulates, interacts_with
Therapy	treats, prevents, compared_with*, uses**
Causation	associated_with, causes, predisposes
Diagnosis	diagnoses, measures
Affects	affects, augments, disrupts
Comorbidity	coexists_with

*COMPARED_WITH regularly appears along with TREATS to indicate drug comparisons.

** USES is commonly seen with TREATS to specify some aspect of the therapy.