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Table 2 Description of the Acute Physiology variables

From: Improvement of APACHE II score system for disease severity based on XGBoost algorithm

variables MIMIC III eRI
Survivor n = 20,821 Non-survivor n = 3956 Survivor
n = 5694
Non-survivor n = 1634
Age 66.00(53.51) 62.00(18.83)
APS   
T(℃) 36.94(1.31) 36.40(5.03)
MAP(mmHg) 60.00(39.70) 61.00(47.14)
HR(bpm) 99.00(31.52) 114(31.65)
RR(/min) 26.00(10.79) 31.00(15.83)
A-aDO2(mmHg) 101.00(43.77) 100.00(86.76)
PH 7.35(0.13) 7.36(0.11)
Na(mmol/L) 140.00(5.85) 138.00(6.49)
K(mmol/L) 4.40(1.16) 4.30(1.20)
BUN(mg/dl) 26.00(26.08) 24.00(23.88)
Ht(%) 29.20(7.43) 31.90(7.43)
WBC(*109/L) 11.50(14.59) 12.4(10.34)
GCS(15-GCS) 1.00(2.51) 5.00(4.73)
  1. Figures represent median (standard deviation) for numerical variables, all values are calculated from all non-missing data, after removal of ineligible cases, and before imputation of missing data
  2. Abbreviations: APS Acute Physiology Score, T Temperature, MAP mean arterial pressure, HR Heart Rate, RR Respiratory Rate, A-aDO2 alveolar-arterial differences for O2, PH Potential of Hydrogen, Na Sodium, K Potassium, BUN Blood Urea Nitrogen, Ht Hematocrit, WBC White Blood Cell, GCS the Glasgow Coma Scale