Table 3.

Examples of original text, text processed to replace trigger terms by UMLS AUIs, and Patient Concept Feature Set constructed from the AUI-replaced text. A3501627 |Hypertensive disorder, systemic arterial (disorder)|, A2928669 |Diabetes mellitus (disorder)|, A2992622 |Anxiety disorder (disorder)|, A2878587 |Anxiety (finding)|, A2890018 |Panic attack (finding)|, A2984272 |Type B viral hepatitis (disorder)|, A3070494 |Sexually transmitted disease (disorder)|, A3762230 |aspirin (substance)|

Original text	Trigger terms replaced by AUIs	Patient Concept Feature Set
(a) She has a history of diabetes, anxiety, panic attacks, and hepatitis B.	she has a history of A2928669, A2992622 A2878587, A2890018, and A2984272.	{A2928669 A2992622 A2878587 A2890018 A2984272}
(b) The patient denied a past history of sexually transmitted disease.	the patient denied a past history of A3070494	{ }
(c) Aspirin was recommended to the patient for the prevention of future stroke.	A2878765 was recommended to the patient for the prevention of future stroke	{ }
(d) Initially, the patient was stable	A3034375, the A2885192was A2921263	{ }