Tab. II.

Demographic variables.

	2018-2019 Without March-April N (%)	2018-2019 March-April N (%)	p-value
Number of OHCA	20038 (80.4%)	3921 (19.6%)
ROSC	1686 (8.4%)	380 (9.7%)	< 0.01
Female	7811 (39.0%)	1526 (38.9%)	0.47
RCP layperson	4320 (21.6%)	876 (22.3%)	0.14
PAD	509 (2.5%)	136 (3.5%)	< 0.001
no MSI	16991 (84.8%)	3338 (85.1%)	0.29
no MSA	7951 (39.7%)	1546 (39.4%)	0.38
Death people	2793 (13.9%)	516 (13.2%)	0.10
Workplace	914 (4.6%)	190 (4.9%)	0.22
Open place	1010 (5.0%)	203 (5.2%)	0.36
Traumatic event	1377 (6.9%)	284 (7.2%)	0.20
Neoplastic patient	313 (1.6%)	43 (1.1%)	0.01
PAD: Public access defibrillation; MSI: Vehicle with a Nurse; MSA: Vehicle with a doctor and a nurse; Death people: a person with clear sign of death (i.e. Decapitation).