A System for Classifying Disease Comorbidity Status from Medical Discharge Summaries Using Automated Hotspot and Negated Concept Detection

Table 1

Macro-averaged F1 textual and intuitive scores for our best-performing submission in the 2008 i2b2 Obesity Challenge Task. In addition to presenting scores for each comorbidity within each task, our system scores are included, which was the basis for ranking team submissions by the i2b2 Challenge organizers

	Macro-Averaged F1
	Textual	Intuitive
System	0.598	0.634
Asthma	0.483	0.970
CAD	0.600	0.630
CHF	0.710	0.612
Depression	0.962	0.935
Diabetes	0.641	0.915
Gallstones	0.632	0.961
GERD	0.486	0.579
Gout	0.959	0.981
Hypercholesterolemia	0.484	0.912
Hypertension	0.827	0.899
Hypertriglyceridemia	0.727	0.876
OA	0.945	0.631
Obesity	0.489	0.973
OSA	0.654	0.653
PVD	0.955	0.623
VI	0.675	0.725

CAD = coronary artery disease; CHF = congestive heart failure; GERD = gastroesophageal reflux disease; OA = osteo arthritis; OSA = obstructive sleep apnea; PVD = peripheral vascular disease; VI = venous insufficiency.

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