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Table 1 Demographics table

From: Validation of a machine learning algorithm for early severe sepsis prediction: a retrospective study predicting severe sepsis up to 48 h in advance using a diverse dataset from 461 US hospitals

 

DAD

CHHD

Septic

Non-septic

Septic

Non-septic

Total number

20,876

468,974

182

20,465

Age (SD)

62.4 (17.0)

55.62 (18.7)

50.5 (24.2)

40.4 (23.0)

Male

10,326 (49.5%)

221,029 (47.1%)

69 (37.9%)

7470 (36.5%)

Female

9325 (44.7%)

219,866 (46.9%)

88 (48.4%)

10,595 (51.8%)

Sex Unknown

1225 (5.9%)

28,079 (6.0%)

25 (13.7%)

2400 (11.7%)

White

9394 (45.0%)

145,891 (31.1%)

100 (54.9%)

11,854 (57.9%)

Black

1150 (5.5%)

20,158 (4.3%)

9 (4.9%)

764 (3.7%)

Hispanic

1090 (5.2%)

33,944 (7.2%)

0 (0.0%)

2 (0.0%)

Asian American

250 (1.2%)

3020 (0.6%)

1 (0.5%)

18 (0.1%)

Race/Ethnicity Unknown

8992 (43.1%)

265,961 (56.7%)

72 (39.6%)

7821 (38.2%)

Temperature

36.9 (0.7)

36.8 (0.5)

36.9 (0.3)

36.8 (0.2)

Respiratory rate

21.1 (4.6)

18.7 (4.1)

20.8 (7.5)

18.1 (5.1)

Systolic blood pressure

115.2 (17.7)

123.9 (17.1)

119.1 (16.7)

125.5 (16.7)

Diastolic blood pressure

61.2 (11.8)

68.6 (11.6)

66.6 (9.6)

73.2 (10.5)

Heart rate

90.9 (14.9)

83.8 (17.0)

93.8 (16.7)

85.4 (17.1)

Lactate

1.6 (1.6)

1.43 (1.1)

2.6 (2.0)

1.9 (1.6)

Creatinine

1.6 (1.4)

1.2 (1.2)

1.7 (1.8)

1.5 (2.6)

International normalized ratio (INR)

1.2 (0.9)

1.0 (0.7)

1.4 (0.8)

1.1 (0.4)

Platelets

204.0 (113.0)

220.4 (95.4)

238.5 (105.1)

239.6 (75.0)

SpO2

96.4 (3.1)

97.0 (2.3)

96.9 (1.6)

97.64 (1.3)

White blood count

12.8 (5.5)

10.5 (4.2)

8.6 (1.4)

8.2 (1.7)

PaO2

115.0 (36.6)

131.2 (62.0)

95.6 (27.8)

102.6 (45.3)

Bilirubin

1.1 (1.4)

0.8 (0.9)

1.3 (2.46)

0.7 (1.2)

FiO2

49.7 (23.8)

46.8 (23.6)

47.4 (20.4)

42.0 (18.1)

pH

7.4 (0.1)

7.4 (0.1)

7.4 (0.1)

7.4 (0.1)

  1. Demographic and clinical characteristics of patients included in the Dascena analysis dataset (DAD) and CHH dataset (CHHD)