Baseline characteristics | All (N = 136) | During COVID-19 period (N = 60) | Before COVID-19 period (N = 76) | p-value |
---|---|---|---|---|
Age, years | 67.98 ± 18.43 | 65.42 ± 19.43 | 70.00 ± 17.48 | 0.15 |
Male sex, N (%) | 78 (59.09) | 33 (55.00) | 46 (60.53) | 0.60 |
Comorbidity status, N (%) | 87 (63.97) | 33 (55.00) | 54 (71.05) | 0.07 |
Hypertension | 67 (49.26) | 28 (46.67) | 39 (51.32) | 0.61 |
Diabetes mellitus | 36 (26.47) | 15 (25.00) | 21 (27.63) | 0.85 |
Dyslipidemia | 35 (25.74) | 14 (23.33) | 21 (27.63) | 0.69 |
Chronic kidney disease | 19 (13.97) | 7 (11.67) | 12 (15.79) | 0.62 |
Ischemic heart disease | 20 (14.71) | 7 (11.67) | 13 (17.11) | 0.47 |
Cerebrovascular disease | 19 (13.97) | 7 (11.67) | 12 (15.79) | 0.62 |
Asthma/COPD | 9 (6.62) | 3 (5.00) | 6 (7.89) | 0.73 |
Cardiac etiology, N (%) | 43 (31.62) | 18 (30.00) | 25 (32.89) | 0.85 |
Public location, N (%) | 64 (47.06) | 26 (43.33) | 38 (50.00) | 0.49 |
Bystander-witnessed, N (%) | 125 (91.91) | 49 (81.67) | 76 (100.00) | < 0.001 |
Bystander CPR, N (%) | 54 (39.71) | 28 (46.67) | 26 (34.21) | 0.16 |
EMS transportation, N (%) -Advanced life support (ALS) -Basic life support (BLS) | 66 (48.53) 63 (46.32) 3 (2.21) | 33 (55.00) 32 (53.33) 1 (1.67) | 33 (43.42) 31 (40.79) 2 (2.63) | 0.23 0.17 1.00 |
EMS response time, minutes (mean ± SD) | 11.87 ± 5.74 (n = 39) | 12.33 ± 5.74 (n = 24) | 11.13 ± 3.85 (n = 15) | 0.48 |
Initial shockable rhythm, N (%) | 79 (58.09) | 35 (58.33) | 44 (55.89) | 1.00 |
Mode of compression, N (%) | < 0.001 | |||
-Mechanical devices -Manual | 100(73.53) 36(26.47) | 56 (93.33) 4(6.67) | 44 (57.89) 32(42.11) | |
Defibrillation, N (%) | 34 (25.00) | 19 (31.67) | 15 (19.74) | 0.12 |
Endotracheal intubation, N (%) | 128 (94.12) | 55 (91.67) | 73 (96.05) | 0.30 |
Coronary reperfusion, N (%) | 7 (5.15) | 3 (5.00) | 4(5.26) | 1.00 |
Targeted temperature management, N (%) | 4 (2.94) | 0(0) | 4(5.26) | 0.13 |