Research Article

Mortality Prediction Model of Septic Shock Patients Based on Routinely Recorded Data

Table 1

Median (25°, 75°) values of the features significantly different between groups, dataset I.

ParametersSurvivors (15 pts.)Nonsurvivors (8 pts.) valueFDR

Std. WBC (cells/cmm)3.7 (2, 4.5)6.2 (6, 7)0.032<0.01
Max WBC (cells/cmm)18 (14.6, 29)34.8 (31.6, 37.8)0.035<0.01
Std. (°C)0.4 (0.4, 0.6)0.8 (0.5, 1)0.026<0.01
Min (°C)37 (35.8, 37.5)35.5 (35.3, 36)0.049<0.01
Mean SBP (mmHg)96 (94.7, 101.3)91.2 (85.8, 97)0.0490.013
Median SBP (mmHg)95 (94, 102)88 (85, 94.3)0.0300.034
Mean DBP (mmHg)59 (53.7, 66.2)51.6 (49, 54.8)0.015<0.01
Median DBP (mmHg)60 (54.5, 66.3)52 (49, 54)0.019<0.01
Mean MAP (mmHg)75 (69.4, 78.6)64 (60.8, 67)<0.01<0.01
Median MAP (mmHg) 75 (67, 77.5)64 (60.8, 66.5)<0.01<0.01
Kurtosis lactate2.2 (1.7, 2.5)3 (2.6, 3.2)0.039<0.01
Std. CO (L/min)1.2 (0.8, 1.6)0.7 (0.4, 0.8)0.049<0.01
Max CO (L/min)7.9 (7.3, 11.3)5.8 (4.4, 6.8)<0.01<0.01
Skewness CVP0.5 (0.1, 1.3)0 (−0.5, 0.2)0.024<0.01
Mean pH (units)7.3 (7.3, 7.4)7.2 (7.2, 7.3)<0.01<0.01
Max pH (units)7.4 (7.4, 7.5)7.3 (7.3, 7.3)<0.01<0.01
Median pH (units)7.3 (7.3, 7.4)7.2 (7.2, 7.3)0.016<0.01
Mean SpO2 (%)97.3 (96.6, 97.7)94.4 (90.5, 96)<0.01<0.01
Min SpO2 (%)89 (75.5, 92.8)62.5 (15, 88)0.0240.099
Skewness Creatinine−0.2 (−0.6, 0.2)0.5 (0.2, 0.6)0.032<0.01
Slope SBP (mmHg/h)0.33 (0.28, 0.37)−0.04 (−0.22, 0.12)0.018<0.01
Slope DBP (mmHg/h) 0.14 (−0.05, 0.26)−0.13 (−0.55, 0.04)0.015<0.01
Slope MAP (mmHg/h)0.23 (0.03, 0.33)−0.15 (−0.78, 0.06)<0.01<0.01
Slope SpO2 (%/h)0 (−0.07, 0.03)−0.19 (−0.67, −0.07)<0.01<0.01
Delta SBP (mmHg)24 (11, 34.7)−2 (−36, 11.5)<0.01<0.01
Delta DBP (mmHg)10 (5, 19)−6.5 (−21.5, 3.5)<0.01<0.01
Delta MAP (mmHg)15 (8, 20.7)−4 (−19.5, 4.5)<0.01<0.01
Delta pH (units)0.09 (0, 0.17)−0.05 (−0.11, 0.03)0.016<0.01
Delta SpO2 (%)0 (−1, 3)−2 (−20, −0.5)0.028<0.01

WBC = white blood cell count. = temperature. SBP = systolic blood pressure. DBP = diastolic blood pressure. MAP = mean arterial pressure. CO = cardiac output. CVP = central venous pressure. Std. = standard deviation.