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Table 2 Characteristics of survivors versus non-survivors in the training set

From: A generalizable and interpretable model for mortality risk stratification of sepsis patients in intensive care unit

Characteristic

Survival

Non survival

P value

Number of patients

14,001

2,740

 

Age

67.00 [54.00, 79.00]

72.00 [59.00, 82.00]

< 0.001

Gender

 Male

7,819 (55.9)

1,524 (55.7)

0.854

 Female

6,182 (44.1)

1,216 (44.3)

Respiratory rate, breaths/min

19.00 [16.00, 22.00]

21.00 [18.00, 25.00]

< 0.001

Spo2, %

98.00 [96.00, 99.00]

97 [95.00, 99.00]

< 0.001

Temperature, °C

36.87 [36.45, 37.35]

36.72 [36.13, 37.31]

< 0.001

Heart rate, beats/min

87.00 [76.00, 98.00]

92.00 [79.00, 105.00]

< 0.001

DiasBP, mmHg

114 [105.00, 127.00]

108.00 [99.00, 120.00]

< 0.001

Creatinine, mg/dL

1.10 [0.75, 1.80]

1.47 [0.90, 2.57]

< 0.001

Urine output, ml

1560.00 [925.00, 2435.00]

905.00 [353.00, 1631.00]

< 0.001

Lactate, mmol/L

1.70 [1.20, 2.47]

2.50 [1.60, 4.58]

< 0.001

Urea nitrogen, mg/dL

23.00 [14.50, 38.50]

34.00 [20.00, 55.55]

< 0.001

Anion gap, mEq/L

13.67 [12.00, 16.00]

16.00 [13.00, 19.33]

< 0.001

INR

1.30 [1.20, 1.60]

1.50 [1.23, 2.10]

< 0.001

PTT, sec

32.50 [27.90, 40.64]

37.73 [29.53, 52.75]

< 0.001

Platelet count, K/μL

201.00 [140.67, 279.00]

180.50 [106.00, 270.00]

< 0.001

SOFA

6.00 [4.00, 9.00]

10.00[7.00, 14.00]

< 0.001

  1. Data are median [IQR] or N (%). P value: continuous variables were assessed by the Kruskal Wallis rank sum test, and categorical variables were evaluated by the Chi-square test
  2. INR international normalized ratio, SysBP systolic blood pressure, PTT activated partial thromboplastin time