Table 1 OHCA baseline characteristics for the full cohort and stratified by gender
Variable | Total N = 4306 | Male 3437 (79.8%) | Female 869 (20.2%) | P value |
|---|---|---|---|---|
Age (years) | 54.0 ± 17.8 | 50.7 ± 16.4 | 64.2 ± 19.1 | < 0.001 |
Arrest location | ||||
Private | 2,724 (63.3%) | 1,981 (57.6%) | 743 (85.5%) | < 0.001 |
Public | 1,582 (36.7%) | 1,456 (42.4%) | 126 (14.5%) | |
Witness status | ||||
Bystander-witnessed | 3,598 (83.6%) | 2,900 (84.4%) | 698 (80.3%) | 0.004 |
EMS-witnessed | 708 (16.4%) | 537 (15.6%) | 171 (19.3%) | |
Bystander CPR | ||||
Not provided | 2,235 (51.9.%) | 1,685 (49.0%) | 429 (49.4%) | 0.02 |
Bystander CPR | 1,363 (31.7%) | 1,215 (35.4%) | 269 (31.0%) | |
EMS CPR | 708 (16.4%) | 537 (15.6%) | 171 (19.6%) | |
Initial rhythm | ||||
Non-shockable | 3,196 (74.2%) | 2,447 (71.2%) | 749 (86.2%) | < 0.001 |
Shockable | 1,110 (25.8%) | 990 (28.8%) | 120 (13.8%) | |
Arrest period | ||||
Non-pandemic | 2,954 (68.6%) | 1,071 (31.2%) | 281 (32.3%) | 0.60 |
Pandemic | 1,352 (31.4%) | 2,366 (68.8%) | 588 (67.7%) | |
ROSC Not achieved | 3,065 (71.2%) | 2,459 (71.5%) | 606 (69.7%) | 0.29 |
Achieved | 1,241 (28.8%) | 978 (28.5%) | 263 (30.3%) |