Table 1. Sample excerpts from ICU nursing notes in MIMIC-III, and their corresponding sentiment polarity scores.

Adjectives and Adverbs Contributing to Sentiment are in Bold with a 2-tuple of Polarity and Subjectivity Scores.

Excerpt Text with De-identified Patient Information	Sentiment Polarity	Sentiment Subjectivity
“Pt is alert and oriented, pleasant(0.733, 0.967), worried about being in the ICU but is comforted by her family. CV: Her SBP has been 70s-90s,per a note from the [**Hospital1 **] she often runs lower that the 90s for a sytolic and her BP on that office visit was in the 70s. Her HR has been 80s-90s, she is mentating well.”	0.7333	0.9667
“Extremities mottled. Family aware(0.25, 0.25) of grim(−1.0, 1.0) condition-they requested he receive comfort measures only(0.0, 1.0). MSO4 drip begun and pressors off. Family at bedside.”	-0.25	0.75
“Reason for admission: Mr. [**Known lastname 10770**] is a 25 year old(0.1, 0.2) man admitted to [**Hospital1 1**] on [**2126-2-1**] with 7 gun shot wounds to his torso, R elbow and R wrist. Injuries include: duodenal injury, renal vein laceration, R elbow fx, R wrist fx”	0.1	0.2