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Table 11 Survival features ranking – biostatistics analysis

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

position abs(t) rank abs(t) p-value rank p-value abs(PCC) rank abs(PCC)
1 age 91.25 age 1.17×10−252 Glasgow coma scale 0.18
2 mean arterial pressure 87.57 mean arterial pressure 2.51×10−246 mechanical vent 0.17
3 Glasgow coma scale 79.70 Glasgow coma scale 4.76×10−236 bilirubin 0.17
4 pulmonary embolism (PE) 58.78 CKD with dialysis 1.24×10−225 platelets 0.16
5 CKD with dialysis 52.39 pulmonary embolism (PE) 4.52×10−217 pulmonary embolism (PE) 0.14
6 atrial fibrillation 39.53 atrial fibrillation 3.38×10−183 age 0.13
7 CKD without dialysis 38.98 CKD without dialysis 3.88×10−180 urine output 24 hours 0.13
8 platelets 36.25 cancer 1.88×10−152 sex 0.10
9 cancer 34.26 CHF 3.23×10−151 anatomical site of infection 0.09
10 CHF 34.05 extent of infection 4.91×10−149 CKD without dialysis 0.08
11 respiration (PaO2) 33.98 CAD 1.06×10−140 respiration (FiO2) 0.08
12 extent of infection 33.71 mechanical vent 2.00×10−124 cancer 0.07
13 CAD 32.31 platelets 1.13×10−122 initial procalcitonin (PCT) 0.07
14 mechanical vent 29.62 respiration (PaO2) 8.05×10−115 respiration (PaO2) 0.06
15 COPD 27.85 COPD 6.59×10−114 CHF 0.05
16 respiration (FiO2) 27.76 diabetes mellitus (DM) 7.16×10−95 hypertension (HTN) 0.05
17 microorganism 24.91 respiration (FiO2) 8.85×10−92 creatinine 0.05
18 diabetes mellitus (DM) 24.58 microorganism 7.79×10−86 mean arterial pressure 0.03
19 sex 19.34 sex 5.93×10−66 COPD 0.03
20 hypertension (HTN) 17.50 hypertension (HTN) 2.18×10−56 microorganism 0.03
21 anatomical site of infection 14.06 anatomical site of infection 2.44×10−36 atrial fibrillation 0.01
22 creatinine 10.55 creatinine 5.13×10−23 extent of infection 0.01
23 urine output 24 hours 9.04 urine output 24 hours 1.65×10−18 CAD 0.01
24 initial procalcitonin (PCT) 7.86 initial procalcitonin (PCT) 4.37×10−14 diabetes mellitus (DM) 0.01
25 bilirubin 0.02 bilirubin 9.83×10−01 CKD with dialysis 0.00
  1. PCC: Pearson correlation coefficient [40]. t-test: absolute value of Student’s t-test [41]. p-value: probability value of Student’s t-test. We computed each test between the target feature (survival) and each feature, and then ranked the outcomes
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