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Table 1 Label statistics and characteristics of 3 prediction tasks. SD represents standard deviation

From: Combining structured and unstructured data for predictive models: a deep learning approach

 

In-hospital mortality

30-day readmission

Long length of stay

Yes

No

Yes

No

Yes

No

# of admissions (%)

3771 (9.6)

35658 (90.4)

2237 (5.7)

37192 (94.3)

19689 (49.9)

19740 (50.1)

Length of hospital stay (SD)

12.1 (14.4)

10.1 (10.3)

12.8 (13.2)

10.1 (10.6)

16.3 (12.5)

4.2 (1.6)

Demographics

Age (SD)

68.1 (14.8)

61.7 (16.6)

63.1 (16.4)

62.2 (16.6)

63.5 (15.9)

61.1 (17.1)

Gender (male)

2102

20699

1315

21486

11370

11431

Admission type

EMERGENCY

3512

29164

1987

30689

16493

16183

ELECTIVE

142

5661

213

5590

2648

3155

URGENT

117

833

37

913

548

402

Vital signs (SD)

Heart rate

89.9 (20.2)

84.3 (17.6)

85.5 (17.6)

84.8 (17.9)

87.0 (18.5)

83.2 (17.2)

SysBP

116.3 (23.0)

120.0 (21.1)

119.2 (22.8)

119.7 (21.3)

119.6 (21.9)

119.7 (20.9)

DiasBP

58.9 (14.4)

61.9 (14.2)

61.6 (15.7)

61.6 (14.2)

61.1 (14.1)

62.0 (14.4)

MeanBP

76.5 (15.9)

79.0 (15.0)

78.2 (16.4)

78.8 (15.1)

78.7 (15.4)

78.7 (14.9)

Respiratory rate

20.6 (6.0)

18.5 (5.2)

19.0 (5.5)

18.7 (5.3)

19.1 (5.5)

18.5 (5.1)

Temperature

36.8 (1.1)

36.9 (0.8)

36.8 (0.8)

36.9 (0.8)

36.9 (0.9)

36.8 (0.8)

SpO2

97.0 (4.1)

97.3 (2.7)

97.3 (2.9)

97.3 (2.9)

97.4 (2.9)

97.2 (2.9)

Lab tests (SD)

Anion gap

16.2 (5.0)

14.0 (3.6)

14.4 (3.9)

14.2 (3.9)

14.4 (3.8)

14.0 (3.9)

Albumin

2.8 (0.6)

3.2 (0.6)

3.0 (0.6)

3.1 (0.6)

3.0 (0.6)

3.2 (0.6)

Bands

10.6 (12.0)

10.0 (9.9)

9.7 (9.5)

10.2 (10.4)

10.2 (10.4)

10.0 (10.4)

Bicarbonate

21.8 (5.7)

23.7 (4.7)

24.1 (5.4)

23.5 (4.8)

23.4 (4.9)

23.6 (4.8)

Bilirubin

4.1 (7.3)

1.7 (3.7)

2.3 (5.1)

2.1 (4.5)

2.3 (4.8)

1.8 (4.0)

Creatinine

1.8 (1.6)

1.4 (1.7)

1.9 (2.1)

1.5 (1.7)

1.6 (1.8)

1.4 (1.6)

Chloride

104.9 (7.6)

105.4 (6.4)

104.2 (6.9)

105.4 (6.5)

105.2 (6.7)

105.6 (6.3)

Glucose

150.8 (79.3)

141.7 (70.6)

142.5 (74.3)

142.7 (71.6)

143.8 (69.1)

141.5 (74.5)

Hematocrit

31.2 (5.8)

31.5 (5.4)

30.4 (5.4)

31.6 (5.5)

31.3 (5.5)

31.7 (5.4)

Hemoglobin

10.5 (2.0)

10.9 (1.9)

10.3 (1.8)

10.8 (1.9)

10.7 (1.9)

10.9 (1.9)

Lactate

4.0 (3.5)

2.4 (1.8)

2.5 (1.8)

2.7 (2.2)

2.7 (2.1)

2.6 (2.4)

Platelet

193.3 (126.6)

212.2 (110.7)

209.7 (122.9)

210.2 (111.9)

209.1 (120.1)

211.4 (103.6)

Potassium

4.2 (0.8)

4.1 (0.7)

4.2 (0.7)

4.1 (0.7)

4.1 (0.7)

4.1 (0.7)

PTT

45.2 (28.1)

40.8 (25.2)

42.9 (26.5)

41.2 (25.5)

42.4 (25.9)

39.9 (25.1)

INR

1.8 (1.4)

1.5 (0.9)

1.6 (1.1)

1.5 (1.0)

1.6 (1.1)

1.5 (0.9)

PT

18.3 (8.8)

15.9 (6.7)

17.4 (9.0)

16.1 (6.9)

16.5 (7.4)

15.8 (6.5)

Sodium

138.7 (6.5)

138.8 (5.0)

138.5 (5.3)

138.8 (5.2)

138.7 (5.4)

138.8 (5.0)

BUN

37.1 (27.2)

25.3 (21.7)

31.9 (24.9)

26.2 (22.5)

28.7 (23.9)

24.3 (21.0)

WBC

14.4 (21.4)

11.6 (10.7)

12.2 (20.1)

11.9 (11.6)

12.3 (13.4)

11.5 (10.9)