Table 1.
Development cohort: descriptive data of patients included in the study.
| Parameters | Total | CPC ≤ 2 | CPC > 2 | p |
|---|---|---|---|---|
| N | 595 | 89 | 506 | / |
| Age, years (SD) | 56 (17) | 50 (18) | 57 (17) | .0002 |
| Male, N (%) | 403 (68.2) | 61 (68.5) | 342 (68.1) | .9920 |
| Weights, KG (SD) | 78.2 (17.2) | 79.6 (15.1) | 77.9 (17.6) | .4948 |
| Height, CM (SD) | 172.1 (9.1) | 173.3 (8.6) | 171.8 (9.2) | .2085 |
| BMIa (SD) | 26.3 (5.8) | 26.4 (4.4) | 26.3 (6.1) | .9457 |
| SAPS IIb (SD) | 68.9 (19.3) | 56.8 (19.2) | 71 (18.5) | <.0001 |
| Admission temperature, °C (SD) | 35.1 (1,76) | 35.8 (1.1) | 35 (1.9) | .0002 |
| Place of residence, N (%) | 361 (64.4) | 45 (53.6) | 316 (66.3) | .0380 |
| Public place, N (%) | 182 (32.4) | 36 (42.9) | 146 (30.6) | .0416 |
| Working place, N (%) | 17 (3) | 2 (2.4) | 15 (3.1) | .7187 |
| Bystander CPRc, N (%) | 446 (76.5) | 78 (87.6) | 368 (79.5) | .0081 |
| No-flow time, Min (SD) | 4.2 (6.0) | 2.1 (3.1) | 4.6 (6.4) | .0006 |
| No flow time under 5 Min, N (%) | 362 (62.5) | 74 (85.1) | 288 (58.5) | <.0001 |
| Low-flow time, Min (SD) | 38.6 (29.4) | 18.2 (14.5) | 42.2 (29.8) | <.0001 |
| Shockable initial rhythm, N (%) | 276 (46.5) | 67 (75.3) | 209 (41.4) | <.0001 |
| TTMd, N (%) | 241 (44.5) | 47 (54.7) | 194 (42.5) | .0398 |
| Epinephrin administration, N (%) | 391 (67.7) | 23 (27.1) | 368 (74.7) | <.0001 |
| Use of chest compression system, N (%) | 166 (28.4) | 8 (9.2) | 158 (31.8) | <.0001 |
| Veno-Arterial Ecmoe AT Admission, n (%) | 83 (14) | 10 (11.2) | 73 (14.4) | .4328 |
| Emergency coronarographyf, N (%) | 200 (33.8) | 64 (71.9) | 136 (27.0) | <.0001 |
| PCIg, N (%) | 104 (17.2) | 33 (37.5) | 71 (14.2) | <.0001 |
| Admission PH (SD) | 7.1 (0.3) | 7.2 (0.2) | 7.0 (0.3) | <.0001 |
| Blood lactate, MMOL/L (SD) | 10.5 (6.6) | 5.4 (5.3) | 11.4 (6.4) | <.0001 |
| Serum troponin T HSh, NG/L (SD) | 1162.2 (3987.4) | 1562.2 (3998.1) | 1064.3 (3984.7) | .2977 |
| STEMIi, N (%) | 146 (24.5) | 37 (41.6) | 109 (21.5) | <.0001 |
| Hypoxia, N (%) | 122 (20.5) | 15 (16.9) | 107 (21.2) | .3795 |
| Unkown etiology, N (%) | 188 (31.6) | 14 (15.7) | 174 (34.4) | .0006 |
| Intoxication, N (%) | 22 (3.7) | 3 (3.4) | 19 (3.8) | .8740 |
| 28-day death, N (%) | 464 (78) | / | 463 (94.5) | / |
All values are reported as mean and standard derivation (SD) for continuous variables, and percentage for categorical variables.
a
BMI: body mass index.
b
SAPS II: simplified acute physiology score version II.
c
CPR: cardio-pulmonary resuscitation.
d
TTM: targeted temperature management.
e
ECMO: extracorporeal membrane oxygenation.
f
Coronarography within 2 h after admission.
g
PCI: percutaneous coronary intervention.
h
HS: high-sensitive.
i
STEMI: ST-elevated myocardial Infarction