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Table 1 Baseline characteristics of patients with in-hospital cardiac arrest stratified according the 2019 (Non-COVID-19) and 2020 (COVID-19) period

From: Effects of COVID-19 on in-hospital cardiac arrest: incidence, causes, and outcome – a retrospective cohort study

Parameters

All patients

(n = 177)

2019 – Non-COVID-19 Period

(n = 84)

2020 – COVID-19 Period

(n = 93)

p-value

Demographics

 Age, years median (IQR)

70 (57–78)

72 (57–78)

68 (57–78)

0.721

 Sex, male n (%)

120 (68)

60 (71)

60 (65)

0.206

 Height, cm median (IQR)

172 (165–180)

175 (168–180)

170 (165–179)

0.109

 Weight, kg median (IQR)

76 (65–85)

73 (65–84)

78 (67–86)

0.207

 BMI, kg/m2 median (IQR)

25 (23–29)

25 (23–27)

26 (24–29)

0.077

Comorbidities

 Charlson comorbidity index, pts.; median (IQR)

3 (2–5)

3 (2–5)

3 (2–5)

0.802

 Arterial hypertension, n (%)

118 (67)

49 (58)

69 (74)

0.019

 Coronary heart disease, n (%)

66 (37)

29 (35)

33 (35)

0.510

 Chronic kidney disease, n (%)

32 (18)

13 (15)

19 (20)

0.255

 Chronic respiratory disease, n (%)

36 (20)

20 (24)

16 (17)

0.183

 Diabetes, n (%)

38 (21)

20 (24)

18 (19)

0.312

 Malignant condition, n (%)

58 (33)

23 (27)

35 (38)

0.098

COVID-19

 Confirmed COVID-19, n (%)

12 (7)

12 (13)

 

 Positive test to ICU, days median (IQR)

10 (3–17)

10 (3–17)

 

 Positive test to IHCA, days median (IQR)

17 (14–28)

17 (14–28)

 

 Cough, n (%)

7 (58)a

 

 Shortness of breath, n (%)

3 (25)a

 

 Fever, n (%)

6 (50)a

 

 Fatigue, n (%)

3 (25)a

 

 Myalgia, n (%)

1 (8)a

 

Reason of hospital admission

Surgical

  planned, n (%)

22 (13)

7 (8)

15 (16)

0.089

  unplanned, n (%)

24 (14)

14 (17)

10 (11)

0.177

Medical, n (%)

131 (74)

63 (75)

68 (73)

0.455

Characteristics – before CA

 Heart rate /min; median (IQR)

91 (77–111)

91 (80–108)

91 (75–111)

0.922

 MAP mmHg; median (IQR)

70 (62–82)

72 (66–82)

70 (60–82)

0.549

Outcome

 Overall mortality, n (%)

95 (54)

41 (49)

54 (58)

0.140

 Discharged from ICU alive, n (%)

82 (46)

43 (51)

39 (42)

0.140

 Length of stay – ICU, days median (IQR)

5 (2–17)

6 (2–17)

5 (2–16)

0.592

  1. Abbreviations: cm Centimeter; BMI Body mass index; kg Kilogram; ICU Intensive care unit; IQR Interquartile range; n Number; pts. Points; min Minute; MAP Mean arterial pressure; COVID-19 Coronavirus disease 2019; IHCA In-hospital cardiac arrest; a in relation to positive tested patients (n = 12)