| Overall (n = 170) | Survival at discharge (n = 7) | Dead (n = 163) | P value |
---|---|---|---|---|
Age (years), median [IQR] | 74 [62–80] | 62 [57–69] | 75 [63–80] | 0.027 |
Age more than 70 years | 101 (59.4) | 1 (14.3) | 100 (61.3) | 0.018 |
Male sex | 108 (63.5) | 5 (71.4) | 103 (63.2) | 0.996 |
COVID-19 related | ||||
 Previous COVID-19 dx before OHCA | 3 (1.8) | 0 (0) | 3 (1.8) | 0.999 |
 Presumed symptoms before OHCA | 20 (11.8) | 1 (14.3) | 19 (11.7) | 0.591 |
 chest PA after CPR | 140 (82.4) | 7 (100) | 133 (81.6) | 0.356 |
 Abnormal chest x-ray findings | 100 (58.8) | 5 (71.4) | 95 (58.3) | 0.701 |
 Acquired RT-PCR test | 80 (47.1) | 5 (71.4) | 75 (46.0) | 0.258 |
 Final confirmation of COVID-19 | 10 (5.9) | 0 (0) | 10 (6.1) | 0.999 |
Comorbidities | ||||
 Diabetes mellitus | 52 (30.6) | 2 (28.6) | 50 (30.7) | 0.999 |
 Hypertension | 59 (34.7) | 3 (42.9) | 56 (34.4) | 0.695 |
 Chronic renal disease | 8 (4.7) | 1 (14.3) | 7 (4.3) | 0.291 |
 Malignancy, cancer | 28 (16.5) | 0 (0) | 28 (17.2) | 0.601 |
 COPD, asthma | 6 (3.5) | 0 (0) | 6 (3.7) | 0.997 |
 Heart failure, ischemic heart disease | 26 (15.3) | 0 (0) | 26 (16.0) | 0.597 |
 Dementia, Parkinson disease | 18 (10.6) | 0 (0) | 18 (11.0) | 0.998 |
 ICH, ischemic stroke | 16 (9.4) | 1 (14.3) | 15 (9.2) | 0.506 |
 Liver cirrhosis, and others | 17 (10.0) | 0 (0) | 17 (10.4) | 0.998 |
Location of OHCA, public place | 49 (28.8) | 4 (57.1) | 45 (27.6) | 0.107 |
Prehospital parameters | ||||
 Witnessed event, anyone | 129 (75.9) | 6 (85.7) | 123 (75.5) | 0.994 |
 Prehospital mechanical CPR | 134 (78.8) | 5 (71.4) | 129 (79.1) | 0.640 |
 Prehospital defibrillation | 22 (12.9) | 3 (42.9) | 19 (11.7) | 0.047 |
Time variables, median [IQR] | ||||
 Response time interval (min) | 8 [6–10] | 8 [7–9] | 8 [6–10] | 0.743 |
 Scene time interval (min) | 21 [15–26] | 15 [13–25] | 22 [16–27] | 0.205 |
Prehospital ROSC before ED arrival | 8 (4.7) | 6 (85.7) | 2 (1.2) | < 0.001 |