Table 1 Baseline characteristics of cohort containing EMS attended OHCA cases where resuscitation was attempted by EMS during 2011–2020 in Scotland
From: Sex and 30-day survival following out-of-hospital cardiac arrest in Scotland 2011–2020
Total (n = 20,585) | Male (n = 13,130) | Female (n = 7,455) | Missing N (%) | |
|---|---|---|---|---|
Incidence per 100,000 population per year | 42.5 | 55.8 | 29.9 | |
Age, median (IQR) | 70.0 (22.0) | 69.0 (22.0) | 72.0 (23.0) | |
SIMD, n (%) | 321 (2) | |||
Most deprived Q1 | 5,453 (26.9) | 3,314 (25.7) | 2,139 (29.1) | |
Q2 | 4,866 (24.0) | 3,048 (23.6) | 1,818 (24.7) | |
Q3 | 3,902 (19.3) | 2,542 (19.7) | 1,360 (18.5) | |
Q4 | 3,251 (16.0) | 2,139 (16.6) | 1,112 (15.1) | |
Least deprived Q5 | 2,792 (13.8) | 1,870 (14.5) | 922 (12.6) | |
Urban/Rural, n (%) | 201 (1) | |||
Urban | 14,795 (72.6) | 9,304 (71.6) | 5,491 (74.3) | |
Rural | 5,589 (27.4) | 3,685 (28.4) | 1,904 (25.7) | |
Initial shockable rhythm, n (%) | ||||
No | 15,436 (75.0) | 9,275 (70.6) | 6,161 (82.6) | |
Yes | 5,149 (25.0) | 3,855 (29.4) | 1,294 (17.4) | |
Bystander CPR, n (%) | ||||
No | 9,181 (44.6) | 5,691 (43.3) | 3,490 (46.8) | |
Yes | 11,404 (55.4) | 7,439 (56.7) | 3,965 (53.2) | |
Location of the arrest | 267 (1) | |||
Home | 14,453 (70.2) | 8,653 (66.8) | 5,800 (78.8) | |
Away from home | 5,865 (28.5) | 4,302 (33.2) | 1,563 (21.2) | |
EMS arrival time (mins), n (%) | 180 (1) | |||
Median (IQR) | 7.6 (5.2) | 7.6 (5.3) | 7.6 (5.2) | |
≤ 8 | 11,049 (54.1) | 7,070 (54.3) | 3,979 (53.8) | |
> 8–29 | 9,356 (45.9) | 5,944 (45.7) | 3,412 (46.2) | |
Survival to 30 days, n (%) | ||||
No | 19,045 (92.5) | 12,051 (91.8) | 6,994 (93.8) | |
Yes | 1,540 (7.5) | 1,079 (8.2) | 461 (6.2) | |