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Table 1 Demographic characteristics of COVID-19 and Non COVID-19

From: Impact of COVID-19 on mortality in out-of-hospital cardiac arrest patients with return of spontaneous circulation: a retrospective cohort study

 

Before PSM

After PSM

COVID-19 N = 2781

Non-COVID-19 N = 18,475

SMD

COVID-19 N = 2776

Non-COVID-19

N = 2776

SMD

Age

63.17 ± 16.18

62.05 ± 17.91

0.066

63.16 ± 16.19

63.63 ± 16.76

0.028

Sex

      

 Female

1034 (37.18)

6915 (37.43)

0.005

1032 (37.18)

1028 (37.03)

0.003

 Male

1736 (62.42)

11,368 (61.53)

0.018

1733 (62.43)

1737 (62.57)

0.003

 Unknown Gender

11 (0.40)

192 (1.04)

0.076

11 (0.40)

11 (0.40)

< 0.001

Race

      

 White

1636 (58.83)

11,222 (60.74)

0.039

1633 (58.83)

1639 (59.04)

0.004

 Black or African American

577 (20.75)

3694 (20.00)

0.019

577 (20.79)

578 (20.82)

0.001

 Asian

165 (5.93)

1100 (5.95)

0.001

165 (5.94)

189 (6.81)

0.035

 American Indian or Alaska Native

15 (0.54)

59 (0.32)

0.034

14 (0.50)

14 (0.50)

< 0.001

 Native Hawaiian or Other Pacific Islander

62 (2.23)

414 (2.24)

0.001

62 (2.23)

56 (2.02)

0.015

 Other Race

149 (5.36)

683 (3.70)

0.080

148 (5.33)

130 (4.68)

0.030

 Unknown Race

177 (6.37)

1303 (7.05)

0.028

177 (6.38)

170 (6.12)

0.010

BMI

30.39 ± 8.71

28.54 ± 8.08

0.221

30.40 ± 8.71

28.95 ± 7.90

0.175

Medical utility

      

 Ambulatory

1455 (52.32)

10,070 (54.51)

0.044

1452 (52.31)

1433 (51.62)

0.014

 Emergency

1125 (40.45)

7281 (39.41)

0.021

1122 (40.42)

996 (35.88)

0.094

 Inpatient Encounter

840 (30.21)

5890 (31.88)

0.036

838 (30.19)

764 (27.52)

0.059

Comorbidities

      

 Hypertensive diseases

1173 (42.18)

7836 (42.41)

0.005

1171 (42.18)

1097 (39.52)

0.054

 Disorders of lipoprotein metabolism and other lipidemias

862 (31.00)

5761 (31.18)

0.004

861 (31.02)

809 (29.14)

0.041

 Ischemic heart diseases

611 (21.97)

4292 (23.23)

0.030

611 (22.01)

576 (20.75)

0.031

 Chronic kidney disease

614 (22.08)

3814 (20.64)

0.035

614 (22.12)

572 (20.61)

0.037

 Overweight and obesity

383 (13.77)

2106 (11.40)

0.072

381 (13.73)

342 (12.32)

0.042

 Cerebrovascular diseases

216 (7.77)

1723 (9.33)

0.056

216 (7.78)

217 (7.82)

0.001

 Diseases of liver

187 (6.72)

1427 (7.72)

0.039

187 (6.74)

177 (6.38)

0.015

 Chronic obstructive pulmonary disease

294 (10.57)

2339 (12.66)

0.065

294 (10.59)

273 (9.83)

0.025

 Malignant neoplasms of lip, oral cavity and pharynx

11 (0.40)

116 (0.63)

0.033

11 (0.40)

12 (0.43)

0.006

 Malignant neoplasms of digestive organs

28 (1.01)

378 (2.05)

0.085

28 (1.01)

33 (1.19)

0.017

 Malignant neoplasms of respiratory and intrathoracic organs

42 (1.51)

363 (1.97)

0.035

42 (1.51)

43 (1.55)

0.003

 Malignant neoplasms of bone and articular cartilage

0 (0.00)

21 (0.11)

0.048

0 (0.00)

10 (0.36)

0.085

 Melanoma and other malignant neoplasms of skin

25 (0.90)

196 (1.06)

0.016

25 (0.90)

36 (1.30)

0.038

 Malignant neoplasms of mesothelial and soft tissue

10 (0.36)

67 (0.36)

0.001

10 (0.36)

10 (0.36)

< 0.001

 Malignant neoplasms of breast

20 (0.72)

188 (1.02)

0.032

20 (0.72)

15 (0.54)

0.023

 Malignant neoplasms of female genital organs

12 (0.43)

101 (0.55)

0.017

12 (0.43)

10 (0.36)

0.011

 Malignant neoplasms of male genital organs

34 (1.22)

295 (1.60)

0.032

34 (1.23)

44 (1.59)

0.031

 Malignant neoplasms of urinary tract

27 (0.97)

166 (0.90)

0.008

27 (0.97)

20 (0.72)

0.028

 Malignant neoplasms of eye, brain and other parts of central

 nervous system

0 (0.00)

44 (0.24)

0.069

0 (0.00)

0 (0.00)

< 0.001

 Malignant neoplasms of thyroid and other endocrine glands

10 (0.36)

43 (0.23)

0.023

10 (0.36)

10 (0.36)

< 0.001

 Malignant neoplasms of ill-defined, other secondary and

 unspecified sites

65 (2.34)

707 (3.83)

0.086

65 (2.34)

53 (1.91)

0.030

 Malignant neuroendocrine tumors

10 (0.36)

33 (0.18)

0.035

10 (0.36)

10 (0.36)

< 0.001

 Secondary neuroendocrine tumors

0 (0.00)

13 (0.07)

0.038

0 (0.00)

10 (0.36)

0.085

 Malignant neoplasms of lymphoid, hematopoietic and related

 tissue

76 (2.73)

338 (1.83)

0.061

73 (2.63)

61 (2.20)

0.028