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Table 2 General characteristics of the COVID-19 OHCA study population

From: External validation of multimodal termination of resuscitation rules for out-of-hospital cardiac arrest patients in the COVID-19 era

  Overall (n = 170) Survival at discharge (n = 7) Dead (n = 163) P value
Age (years), median [IQR] 74 [62–80] 62 [57–69] 75 [63–80] 0.027
Age more than 70 years 101 (59.4) 1 (14.3) 100 (61.3) 0.018
Male sex 108 (63.5) 5 (71.4) 103 (63.2) 0.996
COVID-19 related
 Previous COVID-19 dx before OHCA 3 (1.8) 0 (0) 3 (1.8) 0.999
 Presumed symptoms before OHCA 20 (11.8) 1 (14.3) 19 (11.7) 0.591
 chest PA after CPR 140 (82.4) 7 (100) 133 (81.6) 0.356
 Abnormal chest x-ray findings 100 (58.8) 5 (71.4) 95 (58.3) 0.701
 Acquired RT-PCR test 80 (47.1) 5 (71.4) 75 (46.0) 0.258
 Final confirmation of COVID-19 10 (5.9) 0 (0) 10 (6.1) 0.999
Comorbidities
 Diabetes mellitus 52 (30.6) 2 (28.6) 50 (30.7) 0.999
 Hypertension 59 (34.7) 3 (42.9) 56 (34.4) 0.695
 Chronic renal disease 8 (4.7) 1 (14.3) 7 (4.3) 0.291
 Malignancy, cancer 28 (16.5) 0 (0) 28 (17.2) 0.601
 COPD, asthma 6 (3.5) 0 (0) 6 (3.7) 0.997
 Heart failure, ischemic heart disease 26 (15.3) 0 (0) 26 (16.0) 0.597
 Dementia, Parkinson disease 18 (10.6) 0 (0) 18 (11.0) 0.998
 ICH, ischemic stroke 16 (9.4) 1 (14.3) 15 (9.2) 0.506
 Liver cirrhosis, and others 17 (10.0) 0 (0) 17 (10.4) 0.998
Location of OHCA, public place 49 (28.8) 4 (57.1) 45 (27.6) 0.107
Prehospital parameters
 Witnessed event, anyone 129 (75.9) 6 (85.7) 123 (75.5) 0.994
 Prehospital mechanical CPR 134 (78.8) 5 (71.4) 129 (79.1) 0.640
 Prehospital defibrillation 22 (12.9) 3 (42.9) 19 (11.7) 0.047
Time variables, median [IQR]
 Response time interval (min) 8 [6–10] 8 [7–9] 8 [6–10] 0.743
 Scene time interval (min) 21 [15–26] 15 [13–25] 22 [16–27] 0.205
Prehospital ROSC before ED arrival 8 (4.7) 6 (85.7) 2 (1.2) < 0.001
  1. COPD chronic obstructive pulmonary disease, CPR cardiopulmonary resuscitation, ED emergency department, ICH intracerebral hemorrhage, IQR interquartile ranges, OHCA out-of-hospital cardiac arrest, ROSC return of spontaneous circulation, RT-PCR reverse transcription polymerase chain reaction