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Table 1 Baseline characteristics among hospitalized COVID-19 patients, overall and by outcome

From: Predictors of critical care, mechanical ventilation, and mortality among hospitalized patients with COVID-19 in an electronic health record database

 

Overall

Critical Care

Mechanical Ventilation

Death

N

%

N

%

N

%

N

%

Total patients

56,996

100.0

11,967

100.0

9136

100.0

8526

100.0

Age

 < 10

396

0.7

82

0.7

29

0.3

7

0.1

 10–19

671

1.2

135

1.1

46

0.5

1

0.0

 20–29

3610

6.3

293

2.4

175

1.9

37

0.4

 30–39

5123

9.0

615

5.1

380

4.2

110

1.3

 40–49

5889

10.3

1,113

9.3

794

8.7

285

3.3

 50–59

9486

16.6

2,125

17.8

1605

17.6

770

9.0

 60–69

11,871

20.8

2,926

24.5

2552

27.9

1658

19.4

 70–79

10,396

18.2

2,621

21.9

2137

23.4

2257

26.5

 80 + 

9554

16.8

2,057

17.2

1418

15.5

3401

39.9

Gender

 Female

28,782

50.5

4925

41.2

3620

39.6

3636

42.6

 Male

28,214

49.5

7042

58.8

5516

60.4

4890

57.4

Race

 African American

11,694

20.5

2282

19.1

1873

20.5

1529

17.9

 Asian

1336

2.3

329

2.7

250

2.7

206

2.4

 Caucasian

33,524

58.8

7125

59.5

5227

57.2

5536

64.9

 Other/Unknown

10,442

18.3

2231

18.6

1786

19.5

1255

14.7

Ethnicity

 Hispanic

8497

14.9

1711

14.3

1271

13.9

814

9.5

 Not Hispanic

42,881

75.2

9079

75.9

6910

75.6

6908

81.0

 Unknown

5618

9.9

1177

9.8

955

10.5

804

9.4

Region

 Midwest

21,647

38.0

4979

41.6

3851

42.2

2995

35.1

 Northeast

16,548

29.0

3621

30.3

2516

27.5

2616

30.7

 South

12,654

22.2

2094

17.5

1583

17.3

2114

24.8

 West

4378

7.7

947

7.9

949

10.4

560

6.6

 Other/Unknown

1769

3.1

326

2.7

237

2.6

241

2.8

Care settings prior to admission date

 Inpatient

4684

8.2

747

6.2

736

8.1

945

11.1

 Outpatient

10,479

18.4

2121

17.7

1554

17.0

1253

14.7

 Emergency department

43,724

76.7

9819

82.1

7615

83.4

7194

84.4

Insurance type on admission date

 Multiple

16,266

28.5

3790

31.7

2831

31.0

3274

38.4

 Commercial

15,775

27.7

2916

24.4

2193

24.0

1134

13.3

 Medicare

12,364

21.7

2854

23.8

2258

24.7

2888

33.9

 Medicaid

5111

9.0

1107

9.3

801

8.8

354

4.2

 Other payer type

2936

5.2

483

4.0

364

4.0

275

3.2

 Uninsured

973

1.7

156

1.3

109

1.2

68

0.8

 Unknown

3571

6.3

661

5.5

580

6.3

533

6.3

Confirmatory event

 Positive SARS-CoV-2 viral test only

2166

3.8

258

2.2

215

2.4

318

3.7

 U07.1 diagnosis code only

14,822

26.0

3027

25.3

2367

25.9

1989

23.3

 Positive SARS-CoV-2 viral test and U07.1 diagnosis code

40,008

70.2

8682

72.5

6554

71.7

6219

72.9

Month of cohort entry

 January 2020 through March 2020

4497

7.9

1389

11.6

1397

15.3

1040

12.2

 April 2020

10,422

18.3

2924

24.4

2205

24.1

2360

27.7

 May 2020

5,859

10.3

1472

12.3

994

10.9

1028

12.1

 June 2020

4611

8.1

908

7.6

594

6.5

593

7.0

 July 2020

6082

10.7

1136

9.5

840

9.2

916

10.7

 August 2020

5013

8.8

856

7.2

644

7.0

721

8.5

 September 2020

4318

7.6

824

6.9

575

6.3

623

7.3

 October 2020

6028

10.6

1102

9.2

858

9.4

776

9.1

 November 2020

10,166

17.8

1356

11.3

1029

11.3

469

5.5

Comorbidities

 Diabetes

16,826

29.5

4851

40.5

3918

42.9

3375

39.6

 Obesity

13,544

23.8

3861

32.3

3183

34.8

1893

22.2

 Pulmonary disease

  COPD

5830

10.2

1,812

15.1

1582

17.3

1498

17.6

  Asthma

4948

8.7

1,121

9.4

916

10.0

510

6.0

 Cardiovascular disease

  Hypertension

23,229

40.8

5855

48.9

4495

49.2

4029

47.3

  Coronary artery disease

8407

14.8

2477

20.7

1986

21.7

2228

26.1

  Congestive heart failure

7242

12.7

2425

20.3

2058

22.5

2246

26.3

 Kidney disease*

17,694

31.0

6103

51.0

5110

55.9

5257

61.7

 Liver disease

2671

4.7

985

8.2

830

9.1

681

8.0

 Cancer

4369

7.7

1080

9.0

780

8.5

1029

12.1

Patient-reported medications

 Statins

14,933

26.2

3631

30.3

2975

32.6

2733

32.1

 ACEs/ARBs

11,517

20.2

2695

22.5

2256

24.7

1879

22.0

 NSAIDS

5908

10.4

1092

9.1

873

9.6

618

7.2

 Steroids

6827

12.0

1556

13.0

1144

12.5

882

10.3

 PPIs

9966

17.5

2269

19.0

1878

20.6

1749

20.5

  1. COPD chronic obstructive pulmonary disease, ACE angiotensin-converting enzyme, ARB angiotensin II receptor blocker, NSAIDS non-steroidal anti-inflammatory drugs, PPIs proton-pump inhibitors, SARS-CoV-2 severe acute respiratory syndrome coronavirus 2
  2. *Includes acute and chronic kidney disease