Table 3: Demographic data and preexisting diseases.
| Group A (n = 115) | Group B (n = 23) | P | |
| Age (years) | 64.5 ± 12.2 | 67.4 ±12.5 | n.s. |
| Sex (m/f) | 65/50 | 15/8 | n.s. |
| Preexisting disease | |||
| Cardiocirculatory diseases (n/%) | 8 (7%) | 3 (13%) | n.s. |
| Others (n/%) | 17 (15%) | 5 (22%) | n.s. |
| Setting of OHCA | |||
| On the street (n/%) | 53 (46%) | 13 (56%) | n.s. |
| Home (n/%) | 38 (33%) | 6 (27%) | n.s. |
| Nearby the beach (n/%) | 24 (21%) | 4 (17%) | n.s. |
Data of age are mean ±SD;n.s. : not significant .