Table 2 Demographic and clinical characteristics of the Stanford ICU patients.

From: A generalizable 29-mRNA neural-network classifier for acute bacterial and viral infections

 

Noninfected

Bacterial infection (micro positive & consensus)

Viral infection

Noninfected (forced adjudication)

Bacterial infection (forced adjudication)

Fungal infection

Mixed Infection

P value

n

25

70

14

26

12

2

14

 

Age (years)

61.6 (19.0)

66.3 (17.0)

57.4 (15.1)

63.0 (16.3)

71.7 (7.8)

33.5 (0.7)

64.9 (11.7)

0.031

Female sex (%)

11 (44.0)

32 (45.7)

5 (35.7)

10 (38.5)

6 (50.0)

1 (50.0)

7 (50.0)

0.977

Self-identified race/ethnicity (%)

       

0.25

White

15 (60.0)

46 (65.7)

9 (64.3)

15 (57.7)

5 (41.7)

0 (0.0)

6 (42.9)

 

Black/African-American

4 (16.0)

1 (1.4)

0 (0.0)

2 (7.7)

0 (0.0)

0 (0.0)

1 (7.1)

 

Asian

1 (4.0)

4 (5.7)

1 (7.1)

0 (0.0)

1 (8.3)

0 (0.0)

2 (14.3)

 

Hispanic

0 (0.0)

2 (2.9)

0 (0.0)

1 (3.8)

0 (0.0)

0 (0.0)

1 (7.1)

 

Native Hawaiian or Pacific Islander

1 (4.0)

3 (4.3)

0 (0.0)

2 (7.7)

2 (16.7)

0 (0.0)

2 (14.3)

 

Other

1 (4.0)

0 (0.0)

1 (7.1)

0 (0.0)

0 (0.0)

0 (0.0)

1 (7.1)

 

Unknown

3 (12.0)

14 (20.0)

3 (21.4)

6 (23.1)

4 (33.3)

2 (100.0)

1 (7.1)

 

ED admission (%)

20 (80.0)

53 (75.7)

11 (78.6)

17 (65.4)

11 (91.7)

1 (50.0)

11 (78.6)

0.637

OR admission (%)

1 (6.2)

2 (5.6)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0.941

APACHE II score

21.88 (10.11)

25.33 (9.62)

25.64 (6.44)

25.81 (9.57)

31.91 (10.36)

19.00 (2.83)

30.00 (6.60)

0.043

Shock (%)

5 (20.0)

53 (75.7)

9 (64.3)

15 (57.7)

11 (100.0)

0 (0.0)

9 (64.3)

<0.001

Immuno-compromised (%)

7 (28.0)

19 (27.1)

5 (35.7)

5 (19.2)

1 (8.3)

2 (100.0)

8 (57.1)

0.025

On IV antibiotics at study enrollment (%)

19 (76.0)

70 (100.0)

14 (100.0)

25 (96.2)

12 (100.0)

2 (100.0)

14 (100.0)

<0.001

Mortality at 60 days (%)

5 (20.0)

12 (17.1)

1 (7.1)

6 (23.1)

3 (25.0)

1 (50.0)

7 (50.0)

0.11

Procalcitonin (ng/ml - Tricore)

1.74 (2.96)

25.49 (29.65)

5.75 (15.75)

8.08 (20.79)

24.87 (42.88)

2.15 (1.27)

21.40 (29.26)

0.002

C-reactive protein (mg/dl - Tricore)

10.11 (6.48)

15.20 (4.70)

11.13 (6.33)

10.76 (6.38)

13.73 (4.20)

11.15 (0.35)

16.50 (4.27)

<0.001

  1. ED, emergency department; OR, operating room; IV, intravenous.