Table 4 Baseline characteristics of out-of-hospital cardiac arrest During COVID-19 period and Before COVID-19 period (hospital dispatch system subgroup
Baseline characteristic | All (N = 66) | During COVID-19 period (N = 33) | Before COVID-19 period (N = 33) | p-value |
|---|---|---|---|---|
Age, years (mean ± SD) | 63.23 ± 19.34 | 61.21 ± 19.32 | 65.24 ± 19.45 | 0.40 |
Male sex, N (%) | 47 (71.21) | 24 (72.73) | 23 (69.70) | 1.00 |
Comorbidity status, N (%) | 38 (57.58) | 16 (48.48) | 22 (66.67) | 0.21 |
Hypertension | 31 (46.97) | 14 (42.42) | 17 (51.52) | 0.62 |
Diabetes mellitus | 17 (25.76) | 9 (27.27) | 8 (24.24) | 1.00 |
Dyslipidemia | 17 (25.76) | 7 (21.21) | 10 (30.30) | 0.57 |
Chronic kidney disease | 7 (10.61) | 3 (9.09) | 4 (12.12) | 1.00 |
Ischemic heart disease | 10 (15.15) | 5 (15.15) | 5 (15.15) | 1.000 |
Cerebrovascular disease | 7 (10.61) | 3 (9.09) | 4 (12.12) | 1.000 |
Asthma/COPD | 3 (4.55) | 0(0) | 3 (9.09) | 0.24 |
Cardiac etiology, N (%) | 28 (42.42) | 14 (42.42) | 14 (42.42) | 1.00 |
Public location, N (%) | 21 (31.82) | 12 (36.36) | 9 (27.27) | 0.60 |
Bystander-witnessed, N (%) | 65 (98.48) | 32 (96.97) | 33 (100.00) | 1.00 |
Bystander CPR, N (%) | 53 (80.30) | 28 (84.85) | 25 (75.76) | 0.54 |
EMS response, N (%) | ||||
-Advanced life support (ALS) | 63 (95.45) | 32 (96.97) | 31 (93.94) | 1.00 |
-Basic life support (BLS) | 3 (4.55) | 1 (3.03) | 2 (6.06) | 1.00 |
EMS response time, minutes | 11.87 ± 5.08 (n = 39) | 12.33 ± 5.75 (n = 24) | 11.13 ± 3.85 (n = 15) | 0.48 |
Initial shockable rhythm, N (%) | 19 (28.79) | 10 (30.30) | 9 (27.27) | 1.00 |
Mode of compression, N (%) | ||||
-Mechanical devices | 55 (83.33) | 32 (96.97) | 23 (69.70) | 0.006 |
-Manual | 11 (16.67) | 1 (3.03) | 10 (30.30) | |
Defibrillation, N (%) | 22 (33.33) | 15 (45.45) | 7 (21.21) | 0.07 |
Endotracheal intubation, N (%) | 66 (100.00) | 33 (100.00) | 33 (100.00) | 1.00 |
Prehospital CPR time, min | 27.97 ± 13.64 (n = 59) | 30.30 ± 13.78 (n = 30) | 25.55 ± 13.29 (n = 29) | 0.18 |
ROSC before ED arrival, N (%) | 19 (28.79) | 5 (15.15) | 14 (42.42) | 0.03 |