Table 7 Most common annotated entities by Domain.

From: Chia, a large annotated corpus of clinical trial eligibility criteria

Condition		Qualifier		Drug		Procedure
Concept	Count	Concept	Count	Concept	Count	Concept	Count
pregnancy	442	severe	326	systemic corticosteroids	81	treatment	174
allergy	269	significant	117	medication	72	surgery	99
contraindications	197	active	114	anticoagulants	55	chemotherapy	81
infection	129	other	112	prednisone	49	radiation therapy	62
malignancy	104	uncontrolled	106	antibiotics	48	general anesthesia	58
hypertension	92	clinically significant	83	study medications	45	physical examination	42
lactation	90	chronic	57	antidepressants	40	cardiac surgery	41
heart failure	89	serious	55	aspirin	39	contraception	39
stroke	88	symptomatic	54	opioids	39	intubation	38
diabetes	82	moderate	47	vaccine	36	transplant	36
lactating	82	acute	43	statin	32	implantation	35
myocardial infarction	81	elective	40	warfarin	27	liver transplant	35
cardiovascular disease	64	untreated	39	insulin	27	dialysis	34
liver disease	63	stable	38	rifampin	27	hysterectomy	33
Measurement		Person		Observation		Device
Concept	Count	Concept	Count	Concept	Count	Concept	Count
serum creatinine	77	age	577	breastfeeding	68	pacemakers	18
body mass index	65	female	355	life expectancy	64	intrauterine device	12
blood pressure	64	male	355	informed consent	29	prosthetic valve	12
weight	59	older	67	family history	18	prosthetic material	11
hemoglobin	57	adult	54	english speaking	16	prosthetic mesh	11
bilirubin	55	years	47	smoking	15	contraceptive implant	10
systolic blood pressure	52	children	32	childbearing potential	13	drug-eluting stent	9
diastolic blood pressure	52	patients	16	alcohol abuse	9	metal implants	9
pregnancy test	48	prisoners	13	evidence	8	device	8
platelet count	45	smokers	7	nursing	7	cochlear implants	8
creatinine clearance	44	infants	6	contraception	7	condom	7
ast [aspartate aminotransferase]	43	newborns	5	lactating	6	joint prosthesis	7
hba1c [hemoglobin a1c]	41	donor	5	last vaccination intervals	6	aneurysm clips	6
alt [alanine aminotransferase]	41	liver transplant recipients	5	suspected	6	metal in the body	6
asa [american society of anesthesiologists]	40	adolescents	5	sexually active	6	bare-metal stent	5

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Table 7 Most common annotated entities by Domain.

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