Table 3.

Five most frequent section titles in each data set

Data	Section Titles
i2b2 Test	Hospital course, History of present illness, Physical Examination, Past medical history, Allergies
Cardiology	Physical examination, Allergies, Past medical history, Social history, History of present illness
Neurology	Hospital course, Reason for admission, History of present illness, Discharge medications, Discharge instructions
Orthopedics	Hospital course, Procedures, Discharge instructions, Description of Operation, Complications