Table 1 Baseline characteristics and laboratory values of patients suffering out-of-hospital cardiac arrest
Total population (n = 114) | Survivors (n = 44) | Non-survivors (n = 70) | P-value | |
|---|---|---|---|---|
Age, y | 67 (56–78) | 61 (51–68) | 72 (62–83) | < 0.001 |
Male gender | 95 (83) | 36 (82) | 59 (84) | 0.80 |
Previous history | ||||
Angina pectoris | 17 (18) | 6 (14) | 11 (22) | 0.42 |
Myocardial infarction | 33 (31) | 10 (23) | 23 (36) | 0.20 |
Previous PCI | 12 (11) | 5 (11) | 7 (11) | 1.00 |
Previous CABG | 12 (11) | 2 (5) | 10 (16) | 0.12 |
Heart failure | 28 (26) | 7 (16) | 21 (34) | 0.046 |
Hypertension | 53 (52) | 19 (43) | 34 (58) | 0.17 |
Diabetes mellitus | 17 (15) | 2 (5) | 15 (25) | 0.007 |
Hypercholesterolemia | 44 (42) | 22 (51) | 22 (36) | 0.16 |
Smoking | 0.81 | |||
Current smoker | 27 (32) | 13 (33) | 14 (31) | |
Ex-smoker | 40 (47) | 20 (50) | 20 (44) | |
Cardiac arrest conditions | ||||
Witnessed cardiac arrest | 87 (77) | 39 (89) | 48 (70) | 0.022 |
Bystander-initiated CPR | 93 (82) | 40 (91) | 53 (76) | 0.049 |
Duration of resuscitation, min | 23 (10–38) | 9 (5–15) | 32.5 (23–45) | < 0.001 |
Initial rhythm | < 0.001 | |||
VF | 77 (68) | 44 (100) | 33 (47) | |
Asystole | 37 (33) | 0 (0) | 37 (53) | |
Baseline blood samples | ||||
Creatinine (μmol/L) | 102 (87–122) | 93 (82–116) | 110 (92–125) | 0.013 |
Total cholesterol (mmol/L) | 4.2 (3.6–5.3) | 4.9 (4.1–6.5) | 3.9 (3.4–5.0) | 0.002 |
CRP (mg/L) | 2.5 (1.1–9.9) | 2.1 (1.2–4.6) | 3.9 (1.0–18.0) | 0.15 |
Glucose (mmol/L) | 12.6 (8.0–16.9) | 12.6 (8.8–14.7) | 12.6 (6.6–17.8) | 0.94 |
Copeptin (pmol/L)a | 436 (216–825) | 388 (195–825) | 445 (244–879) | 0.39 |
hs-cTnT (ng/L)b | 71 (26–231) | 100 (21–289) | 66 (26–207) | 0.49 |
NT-proBNP (pmol/L)c | 61 (25–234) | 30 (12–98) | 105 (35–495) | < 0.001 |