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Table 10 Survival feature ranking – Random Forests

From: Data analytics and clinical feature ranking of medical records of patients with sepsis

position MDI MDA feature
1 3.50 3.13×10−03 platelets
2 2.87 1.97×10−03 creatinine***
3 2.42 1.76×10−03 respiration (PaO2)***
4 2.74 9.33×10−04 age
5 2.74 4.53×10−04 initial procalcitonin (PCT)
6 1.44 1.82×10−03 Glasgow coma scale
7 1.99 3.79×10−04 respiration (FiO2)
8 7.58×10−01 1.62×10−03 mechanical vent
9 4.51×10−01 5.32×10−06 hypertension (HTN)
10 3.90×10−01 3.55×10−04 chronic obstructive pulmonary disease (COPD)
11 3.64×10−01 4.45×10−04 coronary artery disease (CAD)
12 2.39 −5.85×10−04 bilirubin
13 3.43×10−01 8.71×10−05 diabetes mellitus (DM)
14 4.63×10−01 −3.37×10−05 cancer
15 3.39×10−01 2.78×10−04 congestive heart failure (CHF)
16 2.16 −5.21×10−05 mean arterial pressure
17 2.29 −2.14×10−03 anatomical site of infection
18 4.93×10−01 −2.46×10−04 sex
19 3.41×10−01 1.75×10−04 urine output 24 hours
20 1.01 −1.09×10−03 microorganism
21 9.88×10−02 −5.87×10−05 chronic kidney disease (CKD) with dialysis
22 7.42×10−02 −8.02×10−06 pulmonary embolism (PE)
23 2.88×10−01 −2.28×10−04 extent of infection
24 3.01×10−01 −2.85×10−04 chronic kidney disease (CKD) without dialysis***
25 2.32×10−01 −1.09×10−04 atrial fibrillation
  1. Feature ranking results obtained through Random Forests. ***: feature in a ranking position that clearly differs from its ranking positions in all the biostatistics analysis feature rankings (Table 11)
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