Fuzzy Modeling to Predict Severely Depressed Left Ventricular Ejection Fraction following Admission to the Intensive Care Unit Using Clinical Physiology
Table 1
Baseline demographic and clinical characteristics within the first 6 hours of ICU admission in the cohort regarding patients with LVEF ≤ 25% and LVEF > 25%.
Variables
LVEF ≤ 25%
LVEF > 25%
values
115 patients
821 patients
Braden score
14.4 ± 2.6
14.8 ± 2.6
0.121
Total Glasgow coma score
12.1 ± 3.9
12.5 ± 3.6
0.345
Heart rate (beats/minute)
88.6 ± 17.8
84.2 ± 19.2
0.021
Diastolic NBP (mmHg)
59.2 ± 12.0
60.8 ± 13.6
0.249
Systolic NBP (mmHg)
110.2 ± 16.9
120.1 ± 20.2
<0.001
Respiratory rate (breaths/minute)
21.0 ± 4.8
19.2 ± 4.6
<0.001
Oxygen saturation (%)
96.8 ± 3.9
97.2 ± 2.9
0.278
Temperature (°C)
36.6 ± 0.8
36.7 ± 0.8
0.474
Blood urea nitrogen (mg/dL)
37.6 ± 26.4
28.9 ± 22.3
<0.001
Carbon dioxide (mmol/L)
22.9 ± 5.0
23.4 ± 5.0
0.266
Glucose (mg/dL)
172.2 ± 78.1
151.9 ± 65.7
0.003
Hemoglobin (mmol/L)
11.9 ± 2.4
11.4 ± 2.0
0.032
Platelets (×103 cells/μL)
244.2 ± 112.5
235.2 ± 108.3
0.408
Potassium (mmol/L)
4.3 ± 0.6
4.2 ± 0.7
0.050
Sodium (mmol/L)
137.8 ± 5.2
138.5 ± 4.7
0.139
White blood cells (×103 cells/L)
12.7 ± 5.6
12.8 ± 8.3
0.971
Age (years)
70.6 ± 15.1
67.3 ± 16.4
0.045
Weight on admission (kg)
77.1 ± 18.6
83.0 ± 25.7
0.018
SAPS I score on admission
13.9 ± 5.9
13.4 ± 5.5
0.428
SOFA score on admission
6.3 ± 4.2
5.4 ± 4.3
0.036
Males (%)
74 (64.4)
432 (52.6)
0.018
Data are presented as mean ± standard deviation, except for males where data is presented as number of patients (% of the total dataset).
