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Table 1 Description and comparison of the COVID-19 OHCA and non-COVID-19 OHCA in France from March 1st to April 15th, 2020

From: Use of out-of-hospital cardiac arrest registries to assess COVID-19 home mortality

  COVID-19
OHCA
(N = 146)
Non-COVID-19
OHCA
(N = 524)
Estimated effect sizea p
Context of the OHCA
 Age - yr 67.5 ± 17.5 68.4 ± 17.1 −0.90 [−4.09;2.23] 0.565
 Sex (male) - no. (%) 88 (60.3%) 373 (71.2%) 0.61 [0.41;0.92] 0.015
 OHCA at home - no. (%) 129 (88.4%) 432 (82.4%) 1.61 [0.92;3.03] 0.099
 Medical history - no. (%)
  - diabetes 31 (21.2%) 68 (13.0%) 1.82 [1.09;2.94] 0.017
  - cardiovascular 60 (41.1%) 228 (43.5%) 0.91 [0.61;1.33] 0.637
  - respiratory 23 (15.8%) 69 (13.2%) 1.23 [0.70;2.08] 0.417
  - other 45 (30.8%) 151 (28.8%) 1.10 [0.72;1.67] 0.681
  - unremarkable 9 (6.2%) 29 (5.5%) 1.12 [0.46;2.50] 0.840
 Cause of the OHCA - no. (%)
  - cardiac cause 51 (34.9%) 382 (72.9%) 0.20 [0.13;0.30] <  0.001
  - respiratory cause 79 (54.1%) 52 (9.9%) 11.11 [6.67;16.67] < 0.001
  - other cause 16 (11.0%) 90 (17.2%) 0.60 [0.31;1.06] 0.073
 Bystander presence (at collapse) - no. (%) 94 (64.8%) 279 (53.6%) 1.59 [1.06;2.38] 0.018
  - Immediate bystander BLSb - no. (%) 48 (52.7%) 139 (49.6%) 1.05 [0.64;1.72] 0.631
Resuscitation
 Bystander BLS - no. (%) 67 (45.9%) 237 (45.2%) 1.03 [0.70;1.51] 0.925
 Bystander AED use - no. (%) 5 (6.3%) 32 (11.3%) 0.55 [0.16;1.45] 0.215
  - if AED used, shock - no. (%) 1 (20.0%) 7 (24.1%) 0.89 [0.02;11.11] 0.999
 BLS by first aid providers - no. (%) 119 (81.5%) 405 (77.4%) 1.30 [0.80;2.13] 0.309
 ALS by the MMT - no. (%) 83 (56.8%) 312 (59.5%) 0.89 [0.61;1.32] 0.569
 First recorded cardiac rhythmc - no. (%)
  - asystole 122 (83.6%) 436 (83.4%) 1.03 [0.62;1.75] 0.999
  - VF/pulseless VT 3 (2.0%) 35 (6.7%) 0.29 [0.06;0.95] 0.041
  - PEA 15 (10.3%) 36 (6.9%) 1.56 [0.76;3.03] 0.215
  - ROSC during BLS 6 (4.1%) 16 (3.1%) 0.94 [0.54;1.58] 0.599
Times
 Time between T0 and MMT arrival - min 30.4 ± 53.5 23.8 ± 24.6 6.60 [−2.56;15.60] 0.158
 Time between T0 and ROSC or death - min 50.8 ± 52.4 42.0 ± 27.7 8.80 [−0.27;17.88] 0.057
Survival
 ROSC - no. (%) 23 (15.8%) 87 (16.7%) 0.94 [0.54;1.59] 0.900
 Survival at hospital admission - no. (%) 15 (10.3%) 73 (13.9%) 0.71 [0.36;1.30] 0.271
  1. COVID-19 SARS-CoV-2 coronavirus; OHCA Out-of-hospital cardiac arrest; BLS Basic life support; AED Automated external defibrillator; MMT Mobile medical team; ALS Advanced life support; VF Ventricular fibrillation; VT Ventricular tachycardia; PEA Pulseless electrical activity; ROSC Return of spontaneous circulation
  2. a Odds ratio and 95% CI (Confidence Interval) for categorical variables, mean difference and 95% CI for quantitative variable
  3. bif the OHCA was witnessed by a bystander
  4. con arrival of the MMT