Table 1.
Baseline characteristics, initial management, and outcome of OHCA
| Pandemic period | Non-pandemic period 1 | Non-pandemic period 2 | p value | ||
|---|---|---|---|---|---|
| Sex | 0·038 | ||||
| Women | 185/519 (35·6%) | 1221/3047 (40·1%) | 10 309/27 151 (38·0%) | .. | |
| Men | 334/519 (64·4%) | 1826/3047 (59·9%) | 16 842/27 151 (62·0%) | .. | |
| Age, years | 69·7 (SD 17) | 68·5 (SD 18) | 68·7 (SD 18) | 0·20 | |
| Home location | 460/510 (90·2%) | 2336/3042 (76·8%) | 20 486/27 027 (75·8%) | <0·0001 | |
| Witness | 294/500 (58·8%) | 1887/2908 (64·9%) | 16 600/24 999 (66·4%) | 0·0030 | |
| Cardiopulmonary resuscitation initiated | 239/500 (47·8%) | 1165/1822 (63·9%) | 9780/16 150 (60·6%) | <0·0001 | |
| Public automatic external defibrillator use | 2/500 (0·4%) | 33/1092 (3·0%) | 333/9522 (3·5%) | 0·0012 | |
| Shockable rhythm | 46/500 (9·2%) | 472/2471 (19·1%) | 4195/21 863 (19·2%) | <0·0001 | |
| Median response time, min | |||||
| Call answer to arrival | 10·4 (8·4–13·8) | 9·4 (7·9–12·6) | 9·3 (7·8–12·4) | <0·0001 | |
| On road | 6·4 (4·3–8·5) | 5·1 (3·0–8·1) | 5·0 (3·0–7·1) | <0·0001 | |
| Survival at hospital admission | 67/521 (12·9%) | 695/3052 (22·8%) | 6230/27 195 (22·9%) | <0·0001 | |
| Survival at hospital discharge | 16/517 (3·1%) | 164/3052 (5·4%) | 1450/5731 (5·3%) | 0·0001 | |
Data are n (%), mean (SD), or median (IQR). The pandemic period was defined as the period from March 16 to April 26, 2020, considered as the 6 weeks of the pandemic in the Paris region. Paris lockdown began on March 17. The non-pandemic period 1 was defined as weeks 12–17 of each year from 2012 to 2019. The non-pandemic period 2 was defined as data for patients included in the Paris-Sudden Death Expertise Center registry from 2011 to 2020, excluding weeks 12–17. OHCA=out-of-hospital cardiac arrest.