Research Article

Sentiment Analysis Based on the Nursing Notes on In-Hospital 28-Day Mortality of Sepsis Patients Utilizing the MIMIC-III Database

Table 2

Baseline characteristics of survived and dead groups ( (%)).

VariablesSurvived group ()Dead group ()Total

Sentiment polarity score ()12.47<0.001
Sentiment subjectivity score ()0.950.340
SAPS-II score ()17.44<0.001
Age (years)24.45<0.001
 <4092 (7.20)23 (4.00)115 (6.20)
 40-59330 (26.00)143 (24.70)473 (25.60)
 60-69222 (17.50)126 (21.70)348 (18.80)
 70-74152 (12.00)53 (9.10)205 (11.10)
 75-79172 (13.50)57 (9.80)229 (12.40)
 ≥80303 (23.80)178 (30.70)481 (26.00)
Gender0.0960.757
 Female573 (45.10)257 (44.30)830 (44.80)
 Male698 (54.90)323 (31.60)1021 (55.20)
ICU type25.36<0.001
 CCU51 (4.00)48 (8.30)99 (5.30)
 CSRU36 (2.80)25 (4.30)61 (3.30)
 MICU738 (58.10)352 (60.70)1 090 (58.90)
 SICU284 (22.30)96 (16.60)380 (20.50)
 TSICU162 (12.70)59 (10.20)221 (11.90)

SAPS-II: Simplified Acute Physiology Score II; ICU: intensive care unit; CCU: coronary care unit; CSRU: cardiac surgery recovery unit; MICU: medical intensive care unit; SICU surgical intensive care unit; TSICU: trauma/surgical intensive care unit.