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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)